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Statistics for Management
Unit1 - 4 Mark Quiz Questions
1.A study was conducted to find the usefulness of mobiles for auto-rickshaw drivers. About 600 auto-
rickshaw drivers residing in different localities were contacted over their mobile. The increase in their
income was noted down i. The method adopted for collection of information is
a. Oral interview
b. Direct Method
c. Telephonic conversation
d. Schedules
2.A study was conducted to find the usefulness of mobiles for auto-rickshaw drivers. About 600 auto-
rickshaw drivers residing in different localities were contacted over their mobile. The increase in their
income was noted down ii. The result of the study will be more efficient if the sampling method
adopted is
a. Quota
b. Stratified
c. Systematic
d. Cluster
3.A study was conducted to find the usefulness of mobiles for auto-rickshaw drivers. About 600 auto-
rickshaw drivers residing in different localities were contacted over their mobile. The increase in their
income was noted down iii. The observation made is
a. Judgment
b. Discrete variable
c. Quantitative
d. Qualitative
4.A study was conducted to find the usefulness of mobiles for auto-rickshaw drivers. About 600 auto-
rickshaw drivers residing in different localities were contacted over their mobile. The increase in their
income was noted down iv. The final results should be presented in terms of
a. Percentage increase
b. Income after mobile usage
c. Increase in income
d. Difference between incomes
5.An advertising agency mailed 100 questionnaires to the viewers to know the impact level of the
advertisement. It received only one questionnaire back. i. It is not possible to apply statistics because
a. It does not deal with single result
b. The answer replied is not clear
c. It does not deal with qualitative data
d. It is not confidential
6.An advertising agency mailed 100 questionnaires to the viewers to know the impact level of the
advertisement. It received only one questionnaire back. ii. The method adopted to collect information
is
a. Schedule
b. Telephonic interview
c. Mailed questionnaire
d. Oral interview
7.An advertising agency mailed 100 questionnaires to the viewers to know the impact level of the
advertisement. It received only one questionnaire back. iii. Agency has adopted
a. Census method
b. Complete enumeration
c. Collection of data from secondary source
d. Sampling method 8.An advertising agency mailed 100 questionnaires to the viewers to know the impact level of the
advertisement. It received only one questionnaire back. iv. The main disadvantage of questionnaire is
a. Confidential questions
b. Uneducated respondents
c. Superfluous questions
d. Unnecessary questions
9.In order to determine the number of dumb schools, the local Government decides to conduct a
survey i. The Survey must be on
a. Randomly selected individuals
b. Specified localities
c. All local people
d. House holds
10.In order to determine the number of dumb schools, the local Government decides to conduct a
survey ii. The observations of units is
a. Discrete
b. Qualitative
c. Quantitative
d. Variable
11.In order to determine the number of dumb schools, the local Government decides to conduct a
survey iii. The observation made on ii) is
a. By applying statistical methods
b. Used for mathematical methods
c. First treated with attributes
d. Useless for statistical methods
12.In order to determine the number of dumb schools, the local Government decides to conduct a
survey iv. A useful measure that can be derived from observation is
a. Percentage blindness
b. Number of local people
c. Number of Blind people per 1000
d. Number of blind people
Unit2 - 4 Mark Quiz Questions
1.A hospital wants to start some new department for treating patients. Since the cost will be high they
decide to estimate the return. i. The most appropriate units of observation will be .
a. The return received by other hospitals having same department
b. Doctors of all hospitals
c. Patients
d. Each number of the locality
2.A hospital wants to start some new department for treating patients. Since the cost will be high they
decide to estimate the return. ii. The data is collected by
a. Indirect oral interview
b. Direct personal observation
c. Primary source
d. Secondary source
3.A hospital wants to start some new department for treating patients. Since the cost will be high they
decide to estimate the return. iii. Unit of measurement will be
a. Percentage net return
b. Break-even point
c. Net Return
d. Total Return
4.A hospital wants to start some new department for treating patients. Since the cost will be high they
decide to estimate the return. iv. Another useful added information for the purpose of investigation is
a. Number of Beds available in the hospital
b. Percentage of patients wanting such new department
c. Percentage of patients living in the locality
d. Number of Doctors in the locality
5.A person is hired by a five star hotel to study the possibility of improving the returns through
customer's satisfaction. The person appointed for this purpose collects data from the customers with
respect to the quality of food and service, satisfaction and price aspects. i. The Hotel management
collects data by
a. Indirect oral interview
b. Through agent
c. Direct observation
d. Through questionnaire
6.A person is hired by a five star hotel to study the possibility of improving the returns through
customer's satisfaction. The person appointed for this purpose collects data from the customers with
respect to the quality of food and service, satisfaction and price aspects. ii. Two of the information
collected belong to intangible cadre. They are
a. Price and satisfaction
b. Service and price
c. Quality of food and service
d. Quality of food and price
7.A person is hired by a five star hotel to study the possibility of improving the returns through
customer's satisfaction. The person appointed for this purpose collects data from the customers with
respect to the quality of food and service, satisfaction and price aspects. iii. The information will help
the management
a. To decrease price
b. To increase service level
c. To reorganize and improve in all respects
d. To increase satisfaction level
8.A person is hired by a five star hotel to study the possibility of improving the returns through
customer's satisfaction. The person appointed for this purpose collects data from the customers with
respect to the quality of food and service, satisfaction and price aspects. iv. Service level can be
improved by
a. Recruiting new set of people
b. Giving proper training
c. Recalling its old staff
d. Providing proper environment to customers
9.Suppose the State Government wishes to find the average yield of wheat per acre then i. As first
step, it should get information on
a. Total number of acre and yield available in the state
b. Total number of days that will be use for the purpose
c. Total number of labourers used for the purpose
d. Total number of acre available in the state
10.Suppose the State Government wishes to find the average yield of wheat per acre then ii. The data
for (i) can be obtained from
a. Secondary source
b. Census record
c. Sample
d. Pilot survey
11.Suppose the State Government wishes to find the average yield of wheat per acre then iii. The
scope of the investigation is
.
a. Land used for agricultural purpose
b. Land used for Buildings
c. Land available in State
d. Land used for wheat production
Unit3 - 4 Mark Quiz Questions
1.Study the following table to answer sub questions (i) to (iv)
Component Establishment
cost
Prize
amount
Agents
commission
Profit
Amount (Rs’000) 10 25 20 45
Agent’s percentage commission on establishment cost is
a. 100
b. 250
c. 200
d. 180
Submit
2.There are 200 employees in a firm. 81 of them are Male and the rest Female. 12 of them are Doctorates
53 of them are Graduates and the rest Post graduates. Education level of females are as follows: 8
doctorates 89 Post graduates and the rest graduates
In tabular form it is
a. Table
Education level Male Female Total
Doctorates 4 8 12
P.G 31 22 135
Graduates 46 89 53
81 119 200
b. Table
Education level Male Female Total
Doctorates 4 8 12
P.G 46 89 135
Graduates 31 22 53
81 119 200
c. Information insufficient
d. Table
Education level Male Female Total
Doctorates 4 8 12
P.G 56 84 140
Graduates 21 27 48
81 119 200
a. a
b. c
c. d
d. b
Submit
3.Populatin of a City
Religion YEAR
2003 2006
Men Women Total Men Women Total
Hindu 4 8 12
Muslim 31 22 135
Christian 46 89 53
81 119 200
It is possible to infer
.
a. Percentage increase in Hindu population
b. Not possible to infer
c. Percentage decrease in Hindu population
d. Percentage increase / decrease in Hindu population
Submit
5.There are 200 employees in a firm. 81 of them are Male and the rest Female. 12 of them are Doctorates
53 of them are Graduates and the rest Post graduates. Education level of females are as follows: 8
doctorates 89 Post graduates and the rest graduates
abulation
a. Do not bring out trends
b. Make comparisons easier
c. Brings out layout nicely
d. Brings out figures clearly
Submit
6.There are 200 employees in a firm. 81 of them are Male and the rest Female. 12 of them are Doctorates
53 of them are Graduates and the rest Post graduates. Education level of females are as follows: 8
doctorates 89 Post graduates and the rest graduates
i. he above form of describing a situation is known as
a. Text form
b. Tabulation
c. Classification
d. Quantitative form
Submit
7.Population of a City
Religion YEAR
2003 2006
Men Women Total Men Women Total
Hindu 4 8 12
Muslim 31 22 135
Unit4 - 4 Mark Quiz Questions 1.A company finds that the efficiency of 60 non-graduates to be 70%, 80 graduates to be 75% and 30 post
graduates to be 85% i. The method used to find overall efficiency is
a. Harmonic mean
b. Arithmetic mean
c. Combined average
d. Geometric mean
Submit
2.A company finds that the efficiency of 60 non-graduates to be 70%, 80 graduates to be 75% and 30 post
graduates to be 85% ii. The average efficiency of non graduates and graduates is
Choose one answer.
a. 70%
b. 80%
c. 72.86%
d. 76%
Submit
3.A company finds that the efficiency of 60 non-graduates to be 70%, 80 graduates to be 75% and 30 post
graduates to be 85% iii. The average efficiency of graduates and post graduates is
a. 76.82%
b. 75.91%
c. 78.02%
d. 77.73%
Submit
4.A company finds that the efficiency of 60 non-graduates to be 70%, 80 graduates to be 75% and 30 post
graduates to be 85% iv. The overall efficiency is
a. 75%
b. 76%
c. 77%
d. 78%
Submit
5.Mr. Anil goes to a supermarket. He purchases 8 pieces of item A @ Rs.5/- each, 12 pieces of item B @
Rs.10/- each, 15 pieces of item C @ Rs.20/- each, 10 pieces of item D @ Rs.15/- each and 6 pieces of item
E @ Rs.12/- each.
Form a frequency distribution
a. d
b. b
c. c
d. a
Submit
6.Mr. Anil goes to a supermarket. He purchases 8 pieces of item A @ Rs.5/- each, 12 pieces of item B @
Rs.10/- each, 15 pieces of item C @ Rs.20/- each, 10 pieces of item D @ Rs.15/- each and 6 pieces of item
E @ Rs.12/- each.
It is a ……………. Distribution
a. Discrete
b. Cumulative
c. Continuous
d. Relative
Submit
7.Mr. Anil goes to a supermarket. He purchases 8 pieces of item A @ Rs.5/- each, 12 pieces of item B @
Rs.10/- each, 15 pieces of item C @ Rs.20/- each, 10 pieces of item D @ Rs.15/- each and 6 pieces of item
E @ Rs.12/- each.
The average price per piece is
a. 13.88
b. 14.88
c. 13.37
d. 12.05
Submit
8.Mr. Anil goes to a supermarket. He purchases 8 pieces of item A @ Rs.5/- each, 12 pieces of item B @
Rs.10/- each, 15 pieces of item C @ Rs.20/- each, 10 pieces of item D @ Rs.15/- each and 6 pieces of item
E @ Rs.12/- each.
The total amount spend by him is
a. 600
b. 750
c. 682
d. 650
Submit
9.Wage distribution of workers having mean as 23.57 is as follows ii. The total number of workers is
a. 76
b. 72
c. 70
d. 80
Submit
10.Wage distribution of workers having mean as 23.57 is as follows iii. Percentage of workers drawing less
than Rs.20 per day is
a. 21.42
b. 21
c. 22
d. 20
Submit
11.Wage distribution of workers having mean as 23.57 is as follows iv. The modal value of the distribution
is
a. 20
b. 30
c. 25
d. 15
Submit
12.Wage distribution of workers having mean as 23.57 is as follows Wage / day Rs. 10 15 20 25 30 40 No.
of workers 5 10 - 20 15 5 i. The missing frequency is
. a. 14
b. 16
c. 17
d. 15
Submit
Unit5 - 4 Mark Quiz Questions
1.A box has 100 tickets with numbers from 1 to 100 one ticket is drawn at random from the box. i. The
probability that the number drawn is divisible by 24 is
a. 0.04
b. 0.03
c. 0.02
d. 0.05
2.A box has 100 tickets with numbers from 1 to 100 one ticket is drawn at random from the box. ii. The
probability that the number is divisible by 15 or 30 is
a. 0.03
b. 0.07
c. 0.08
d. 0.06
Submit
3.A box has 100 tickets with numbers from 1 to 100 one ticket is drawn at random from the box. iii. The
probability that the number drawn is divisible by 12 or 23 is
a. 0.20
b. 0.12
c. 0.18
d. 0.10
Submit
4.A box has 100 tickets with numbers from 1 to 100 one ticket is drawn at random from the box. iv. The
probability that it is divisible by - 25 is
a. 1
b. 0.05
c. 0.04
d. 0
Submit
5.A sales manager has ten salesmen working under him. He moves with them closely and know the strengths
and weakness of each. Under any new circumstances he knows that Rama, Ramu, Ranga and Rathan will
succeed in the ratio 2:3:4:6 i. The probability that Ramu will succeed is
a. 4 / 15
b. 2 / 15
c. 6 / 15
d. 3 / 15
Submit
6.A sales manager has ten salesmen working under him. He moves with them closely and know the strengths
and weakness of each. Under any new circumstances he knows that Rama, Ramu, Ranga and Rathan will
succeed in the ratio 2:3:4:6 ii. The probability that Rama and Rathan will succeed is
a. 25 / 225
b. 18 / 225
c. 4 / 75
d. 20 / 225
Submit
7.A sales manager has ten salesmen working under him. He moves with them closely and know the strengths
and weakness of each. Under any new circumstances he knows that Rama, Ramu, Ranga and Rathan will
succeed in the ratio 2:3:4:6 iii. The probability that Ramu or Ranga will succeed is
a. 6 / 15
b. 7 / 15
c. 10 / 15
d. 8 / 15
Submit
8.A sales manager has ten salesmen working under him. He moves with them closely and know the strengths
and weakness of each. Under any new circumstances he knows that Rama, Ramu, Ranga and Rathan will
succeed in the ratio 2:3:4:6 iv. The type of approach followed by sales manager is
a. Axiomatic
b. Statistical
c. Subjective
d. Classical
Submit
9.In a housing complex there are 51 apartments. All of them are occupied by individual families. Mr.X living in
that complex wishes to form a committee of 5 members by selecting head of the family. Since the idea came
from him every body agrees that he should be one member i. Population consists of
a. Family members of each household
b. Head of the family
c. The committee members
d. Number of apartments in the complex
Submit
10.In a housing complex there are 51 apartments. All of them are occupied by individual families. Mr.X living
in that complex wishes to form a committee of 5 members by selecting head of the family. Since the idea
came from him every body agrees that he should be one member ii. The population is a
a. 600 members
b. Finite population
c. 800 members
d. Infinite population
Submit
11.In a housing complex there are 51 apartments. All of them are occupied by individual families. Mr.X living
in that complex wishes to form a committee of 5 members by selecting head of the family. Since the idea
came from him every body agrees that he should be one member iii. The probability that a house hold head
will be selected is
a. 1 / 48
b. 1 / 51
c. 1 / 50
d. 1 / 45
Submit
12.In a housing complex there are 51 apartments. All of them are occupied by individual families. Mr.X living
in that complex wishes to form a committee of 5 members by selecting head of the family. Since the idea
came from him every body agrees that he should be one member iv. The probability that six members will be
selected is
a. 6 / 50
b. 0
c. 6 / 51
d. 6 / 45
Submit
13.The probability that Mr.Amar, Ashish and Mr.Astosh will become chairman of a company are 0.4, 0.3 and
0.3 respectively. The probability that they will introduce a new product I the market are 0.08, 0.10 and 0.15
respectively. i. The probability that Mr.Astosh has introduced the new product is
a. 0.51
b. 0.30
c. 0.32
d. 0.42
Submit
14.The probability that Mr.Amar, Ashish and Mr.Astosh will become chairman of a company are 0.4, 0.3 and
0.3 respectively. The probability that they will introduce a new product I the market are 0.08, 0.10 and 0.15
respectively. ii. The probability that either Mr.Amar or Mr.Ashish have introduced the new product is
a. 0.50
b. 0.42
c. 0.58
d. 0.62
Submit
15.The probability that Mr.Amar, Ashish and Mr.Astosh will become chairman of a company are 0.4, 0.3 and
0.3 respectively. The probability that they will introduce a new product I the market are 0.08, 0.10 and 0.15
respectively. iii. The probability that the new product has been introduced is
a. 0.112
b. 0.025
c. 0.124
d. 0.107
Submit
16.The probability that Mr.Amar, Ashish and Mr.Astosh will become chairman of a company are 0.4, 0.3 and
0.3 respectively. The probability that they will introduce a new product I the market are 0.08, 0.10 and 0.15
respectively. iv. The rule used in answering the above questions is
a. Multiplication
b. Addition
c. Conditional
d. Baye's
Submit
Unit6 - 4 Mark Quiz Questions
1."X" is a Poisson variate such that 2P(X = 0) = P(X = 1) then i. The mean of the distribution is
a. 2
b. 2.5
c. 1
d. 2.5
Submit
2."X" is a Poisson variate such that 2P(X = 0) = P(X = 1) then ii. P(X = 0) is
a. 0.145
b. 0.125
c. 0.135
d. 0.155
Submit
3."X" is a Poisson variate such that 2P(X = 0) = P(X = 1) then iii. P(X ? 1)
a. 0.865
b. 0.800
c. 0.905
d. 0.805
Submit
4."X" is a Poisson variate such that 2P(X = 0) = P(X = 1) then iv. P(1 ? x ? 3)
a. 0.70
b. 0.90
c. 0.75
d. 0.80
Submit
5.A company produces two products A and B. Out of 5 products of A one was found to be defective. Out of 6
products of B 2 were found to be defective i. Probability that exactly one will be defective in product B is
a. 0.263
b. 0.363
c. 0.223
d. 0.243
Submit
6.A company produces two products A and B. Out of 5 products of A one was found to be defective. Out of 6
products of B 2 were found to be defective ii. Probability that one of A and one of B will be defective is
a. 0.1077
b. 0.0981
c. 0.1211
d. 0.1002
Submit
7.A company produces two products A and B. Out of 5 products of A one was found to be defective. Out of 6
products of B 2 were found to be defective iii. Probability that either one of A or two of B will be defective
a. 0.8388
b. 0.8011
c. 0.7555
d. 0.7344
Submit
8.A company produces two products A and B. Out of 5 products of A one was found to be defective. Out of 6
products of B 2 were found to be defective iv. The event of either getting 2 defectives in A or one defect in B
are
a. Mutually exclusive
b. Dependent
c. Exhaustive
d. Equally likely
Submit
9.In a Binomial distribution p = 0.4 and n = 6 then i. P(x = 0) is
a. 0.78
b. 0.078
c. 0.008
d. 0.062
Submit
10.In a Binomial distribution p = 0.4 and n = 6 then ii. P(X >= 4) is
a. 0.007
b. 0.010
c. 0.008
d. 0.006
Submit
11.In a Binomial distribution p = 0.4 and n = 6 then iii. P(X ? 1) is
a. 0.1313
b. 0.1202
c. 0.1206
d. 0.1296
Submit
12.In a Binomial distribution p = 0.4 and n = 6 then iv. P(X = 3) is
a. 0.291
b. 0.029
c. 0.019
d. 0.009
Submit
13.The average closing of a savings banks account which is normally distributed was found to be 35 months
with a S.D of 5 months. Then i. The probability that SB A/c will be closed on or before 25 months is
a. 0.4332
b. 0.4653
c. 0.4772
d. 0.4750
Submit
14.The average closing of a savings banks account which is normally distributed was found to be 35 months
with a S.D of 5 months. Then ii. The probability that it will be alive between 30 and 40 months is
a. 0.6529
b. 0.6714
c. 0.6826
d. 0.7111
Submit
15.The average closing of a savings banks account which is normally distributed was found to be 35 months
with a S.D of 5 months. Then iii. The probability that it will be alive after 42.5 months is
a. 0.0668
b. 0.0701
c. 0.0712
d. 0.0612
Submit
16.The average closing of a savings banks account which is normally distributed was found to be 35 months
with a S.D of 5 months. Then iv. The probability that it exists between 40 and 45 months is
a. 0.1299
b. 0.1241
c. 0.1311
d. 0.1359
Submit
17.There are 625 packets of a product. Each packet contains 4 products. The probability that a product will be
defective is 0.2. Then i. Expected number of packets to contain zero defectives
a. 270
b. 250
c. 256
d. 260
Submit
18.There are 625 packets of a product. Each packet contains 4 products. The probability that a product will be
defective is 0.2. Then ii. Expected number of packets to contains exactly two defectives
a. 95
b. 100
c. 90
d. 96
Submit
19.There are 625 packets of a product. Each packet contains 4 products. The probability that a product will be
defective is 0.2. Then iii. Expected number of packets to contain 3 or more defectives
a. 20
b. 16
c. 12
d. 10
Submit
20.There are 625 packets of a product. Each packet contains 4 products. The probability that a product will be
defective is 0.2. Then iv. Expected number of packets to contain 1 or 2 defective
a. 300
b. 352
c. 310
d. 340
Unit7 - 4 Mark Quiz Questions
1.From a population whose mean is 40, a random sample of 10 are taken. The sample mean is 39.2 and
S.D 4. i. Population parameter and sample Statistics are
a. 10, 40
b. 40, 39.2
c. 40, 10
d. 40, 39.2, 40
Submit
2.From a population whose mean is 40, a random sample of 10 are taken. The sample mean is 39.2 and
S.D 4. ii. Standard error of mean is
a. 1.33
b. 2.0
c. 1.25
d. 0.9
Submit
3.From a population whose mean is 40, a random sample of 10 are taken. The sample mean is 39.2 and
S.D 4. iii. 39.2 is known as
a. Confidence value
b. Internal estimate
c. Point estimate
d. Parameter
Submit
4.From a population whose mean is 40, a random sample of 10 are taken. The sample mean is 39.2 and
S.D 4. iv. The internal estimate can be found if
a. Population size is known
b. Confidence level is given
c. Population S.D is known
d. If sample size is greater than 30
Submit
5.From past records the liking of customers towards the colour of product Viz, Red, green, pink, blue and
yellow were found to be in the ratio 2:3:5:3:2 respectively. A sample of 300 customer revealed the liking
towards the colour as 39, 62, 100, 60, 41 respectively. i. The sample has followed
Choose one answer.
a. Principle of validity
b. Law of statistical regularity
c. Principle of Inertia of large numbers
d. Principle of optimization
Submit
6.From past records the liking of customers towards the colour of product Viz, Red, green, pink, blue and
yellow were found to be in the ratio 2:3:5:3:2 respectively. A sample of 300 customer revealed the liking
towards the colour as 39, 62, 100, 60, 41 respectively. ii. The population considered is
a. Hypothetical
b. Imaginary
c. Existent
d. Infinite
Submit
7.From past records the liking of customers towards the colour of product Viz, Red, green, pink, blue and
yellow were found to be in the ratio 2:3:5:3:2 respectively. A sample of 300 customer revealed the liking
towards the colour as 39, 62, 100, 60, 41 respectively. iii. Exact proportion has been found in the sample
for colours
a. Red and Green
b. Red and Blue
c. Green and Yellow
d. Pink and Blue
Submit
8.From past records the liking of customers towards the colour of product Viz, Red, green, pink, blue and
yellow were found to be in the ratio 2:3:5:3:2 respectively. A sample of 300 customer revealed the liking
towards the colour as 39, 62, 100, 60, 41 respectively. iv. The method adopted to estimate population
values results in
a. Saving of time and cost
b. Saving of time and profit
c. Saving of labour and profit
d. Saving of customers time
Submit
9.Sundaram motors wants to find the proportion of car owners using their cars. It collects information from
RTO of Tamil Nadu by selecting "n" unit at fixed interval from Car Registration book iii. The precaution that
should be taken for this type of sampling is
a. Trend should not be present
b. Periodic features should be present
c. Periodic features should not exist
d. Seasonal
Submit
10.Sundaram motors wants to find the proportion of car owners using their cars. It collects information
from RTO of Tamil Nadu by selecting "n" unit at fixed interval from Car Registration book i. The type of
sampling adopted is known as
a. Simple random sampling
b. Stratified
c. non-random sampling
d. Systematic
Submit
11.Sundaram motors wants to find the proportion of car owners using their cars. It collects information
from RTO of Tamil Nadu by selecting "n" unit at fixed interval from Car Registration book ii. The fixed
interval is determined by
a. n/N
b. KN
c. Kn
d. N/n
Submit
12.Sundaram motors wants to find the proportion of car owners using their cars. It collects information
from RTO of Tamil Nadu by selecting "n" unit at fixed interval from Car Registration book iv. The
observation made is
a. Variable
b. Continuous
c. Attribute
d. Discrete
Submit
13.The Karnataka Government wishes to experiment with a policy on Twenty villages spread over the
state. The success of the policy is measured by agreement or disagreement of the people i. The type of
sampling that will be adopted is
a. Simple random sampling
b. Systematic
c. Multistage sampling
d. Stratified
Submit
14.The Karnataka Government wishes to experiment with a policy on Twenty villages spread over the
state. The success of the policy is measured by agreement or disagreement of the people ii. The type of
measurement made belongs to
a. Variable
b. Continuous
c. Attribute
d. Discrete
Submit
15.The Karnataka Government wishes to experiment with a policy on Twenty villages spread over the
state. The success of the policy is measured by agreement or disagreement of the people iii. The sampling
units are
a. State
b. Villages
c. People of the state
d. People in selected village
Submit
16.The Karnataka Government wishes to experiment with a policy on Twenty villages spread over the
state. The success of the policy is measured by agreement or disagreement of the people iv. Scope and
purpose of the survey is
a. Clumsy
b. Crystal clear
c. Shabby
d. Not clear
Submit
Unit8 – 4 Mark Quiz Questions
1.A good Estimator should satisfy i. The criteria
a. Unbiasedness and reliability
b. Consistency, Sufficiency, Efficiency and Unbiasedness
c. Unbiasedness and consistency
d. Consistency and accuracy
Submit
2.A good Estimator should satisfy ii. By consistency we mean
a. Statistics calculated form sample is accurate
b. Statistics calculated from sample is reliable
c. As n ? ?, the sample value approaches parameter value
d. Mean of the sampling distribution is equal to population mean
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3.A good Estimator should satisfy iii. By sufficiency we mean
a. The estimator makes much use of information given
b. Sample size is sufficient
c. Reliability is sufficient
d. Accuracy is sufficient
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4.A good Estimator should satisfy iv. By efficiency we mean
a. Standard error of statistics is small
b. Mean is very efficient estimator
c. Standard error of statistics is reliable
d. Standard error of statistics is sufficient
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5.For the sample values 10, 12, 15, 18, 22, 25, 32, 34 i. Mean is
a. 22.00
b. 21.0
c. 22.34
d. 21.15
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6.For the sample values 10, 12, 15, 18, 22, 25, 32, 34 ii. The standard error of mean is
a. 3.25
b. 3.40
c. 3.22
d. 3.14
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7.For the sample values 10, 12, 15, 18, 22, 25, 32, 34 iii. 95% confidence limits are
a. 21 ? 7.0
b. 21 ? 6.1
c. 21 ? 7.4
d. 21 ? 6.5
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8.For the sample values 10, 12, 15, 18, 22, 25, 32, 34 iv. Coefficient of variation is
a. 40.2%
b. 42.4%
c. 42.0
d. 41.0%
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9.Mean of a sample size of 15 is 40. Its standard deviation is 8 i. Standard error of mean is.
a. 1.25
b. 1.33
c. 1.42
d. 2.14
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10.Mean of a sample size of 15 is 40. Its standard deviation is 8 ii. The standard deviation being same,
for the standard error to be 1.07, the sample size should be
a. 50
b. 57
c. 38
d. 30
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11.Mean of a sample size of 15 is 40. Its standard deviation is 8 iii. 95% confidence interval for the mean
is
a. 40 ? 3.2
b. 40 ? 3.5
c. 40 ? 4.6
d. 40 ? 5.0
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12.To know the popularity of a particular brand sales manager of a company gathered information by
oral interview. Out of 600 people interviewed 420 actually use this brand. The director was not happy
with the information. He would like to know the confidence level in the statement i. What type of
information the director got from the sales manager.
a. Interval estimate
b. Over estimate
c. Underestimate
d. Point estimate
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13.To know the popularity of a particular brand sales manager of a company gathered information by
oral interview. Out of 600 people interviewed 420 actually use this brand. The director was not happy
with the information. He would like to know the confidence level in the statement ii. The point estimate
is given by
a. 75%
b. 70%
c. 80%
d. 60%
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14.To know the popularity of a particular brand sales manager of a company gathered information by
oral interview. Out of 600 people interviewed 420 actually use this brand. The director was not happy
with the information. He would like to know the confidence level in the statement iii. 95% confidence
interval for the estimate is
a. 0.7 ? 0.037
b. 0.7 ? 0.121
c. 0.7 ? 0.056
d. 0.7 ? 0.113
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15.To know the popularity of a particular brand sales manager of a company gathered information by
oral interview. Out of 600 people interviewed 420 actually use this brand. The director was not happy
with the information. He would like to know the confidence level in the statement iv. 99% confidence
interval for the estimate is
a. 0.7 ? 0.048
b. 0.7 ? 0.120
c. 0.7 ? 0.142
d. 0.7 ? 0.151
Submit
Unit9 - 4 Mark Quiz Questions
a. c
b. a
c. b
d. d
2.
a. c
b. b
c. a
d. d
Submit 3.
a. a
b. d
c. c
d. b
Submit
4.
a. c
b. d
c. a
d. b
Unit10 - 4 Mark Quiz Questions
a. c
b. b
c. d
d. a
Submit
2.
a. a
b. c
c. b
d. d
Submit
3
a. a
b. c
c. b
d. d
Submit
a. b
b. c
c. a
d. d
Unit11 - 4 Mark Quiz Questions
1.
a. d
b. c
c. a
d. b
2.
a. b
b. c
c. a
d. d
3.
a. a
b. c
c. d
d. b
4.
Submit
a. b
b. c
c. a
d. d
Unit12 - 4 Mark Quiz Questions
1.
a. d
b. c
c. a
d. b
Submit
2.
a. d
b. a
c. c
d. b
Submit
3.
a. b
b. a
c. d
d. c
Submit
4.
a. b
b. c
c. d
d. a
Submit
Unit13 - 4 Mark Quiz Questions
1.A Business man would like to know what is Business forecasting. He has the
following doubts i. In which one of the following cases forecast will not be applied
a. Share prices
b. Amount of rain expected
c. Temperature of the day
d. Buying Mango
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2.A Business man would like to know what is Business forecasting. He has the
following doubts ii. Business forecasting means
a. Analysis of data published by Government
b. Just analysis of past economic conditions
c. Past and present economic conditions
d. Just analysis of present economic conditions
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3.A Business man would like to know what is Business forecasting. He has the
following doubts iii. Objective of Business forecasting is
a. To reduce wastages
b. To increase efficiency of production
c. To give a measure for uncertainty and reduce uncertainty
d. To reduce labour effort
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4.A Business man would like to know what is Business forecasting. He has the
following doubts iv. What is a prediction
a. Estimates based on past data
b. Estimate based on projection
c. Estimates based on Mathematical theories
d. Estimate based on assumptions
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5.A company wishes to increase its sales. It experiments with various slabs of
expenses in Advertisement and collects data. i. The most suitable method of
forecasting will follow
a. Time-lag theory
b. Reaction theory
c. Rhythm theory
d. Action theory
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6.A company wishes to increase its sales. It experiments with various slabs of
expenses in Advertisement and collects data. ii. To find the relationship between
advertisement expenses and sales; it should use
a. Lag correlation
b. Auto correlation
c. Correlation
d. Lead correlation
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7.A company wishes to increase its sales. It experiments with various slabs of
expenses in Advertisement and collects data. iii. Action and reaction theory finds
a. Irregular movement
b. Seasonal movements
c. Four phases of Business activity
d. Trend
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8.A company wishes to increase its sales. It experiments with various slabs of
expenses in Advertisement and collects data. iv. According to Rhythm theory
a. All economic and business events behave in any order
b. All economic and business behave erratically
c. All economic and business in opposite directions
d. All economic and business in the same order
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9.An economist will like to predict the cost of living index due to hike in petrol
prices i. For analysis he will study
a. Past and Present behaviour of cost of living index due to rise in petrol price
b. Why changes occurred in the past
c. The phases of business activity
d. Some barometers
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10.An economist will like to predict the cost of living index due to hike in petrol
prices ii. He will collect information on
a. Rises
b. Cost of living
c. Prices
d. Cost of living index and corresponding rises in petrol price
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11.An economist will like to predict the cost of living index due to hike in petrol
prices iii. The analysis can be based on
a. Mathematical theories
b. Time series
c. Regression Models
d. Economic theories
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12.An economist will like to predict the cost of living index due to hike in petrol
prices iv. If he wants to predict in terms of the percentage increase he should use
a. Semi-log trend
b. Modified exponential curve
c. Gompertz curve
d. Arithmetic trend
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13.i. The export and import statistics of leather and leather related goods acts as a
barometer for
a. Specific individual
b. Specific firm only
c. General Business activities
d. Specific Business activities
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14.ii. Health statistics published by Government of India acts as a barometer for
a. Local people
b. Planning health-care activities by Government
c. Planning health by Doctors
d. Some states
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15.iii. Business barometer is a
a. Scientific and reliable tool for making decisions
b. Tool for measuring depressions in business
c. Tool for controlling unnecessary expenses
d. Tool for measuring booms in business
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16.iv. Extrapolation method of business forecasting assumes
Choose one answer.
a. Constant growth in Arithmetic trend
b. Different rate of growth in Arithmetic trend
c. Constant % increase in Arithmetic trend
d. Constant growth in semi-log trend
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Unit14 - 4 Mark Quiz Questions
1.Mrs. Mallini is a science student. She has data on development of micro
organism over regular interval of time. She wants to know the relationship
between time and development of micro organism. She approaches Mrs. Shalini,
a Statistician and clears certain doubts. i. By time series we understand
a. Set of values recorded over a period at regular interval
b. Set of values recorded over a period of time
c. Set of values observed in a month
d. Set of values observed in a day
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2.Mrs. Mallini is a science student. She has data on development of micro
organism over regular interval of time. She wants to know the relationship
between time and development of micro organism. She approaches Mrs. Shalini,
a Statistician and clears certain doubts. ii. Time series is in a month not caused
by
a. Individuals liking
b. New technological inventions
c. Changes in customs and habits
d. Population changes
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3.Mrs. Mallini is a science student. She has data on development of micro
organism over regular interval of time. She wants to know the relationship
between time and development of micro organism. She approaches Mrs. Shalini,
a Statistician and clears certain doubts. iii. The one of the components of time
series is
a. Time variations
b. Observational variations
c. Measuremental variation
d. Erratic variation
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4.Mrs. Mallini is a science student. She has data on development of micro
organism over regular interval of time. She wants to know the relationship
between time and development of micro organism. She approaches Mrs. Shalini,
a Statistician and clears certain doubts. iv. The study of time series helps us
a. To give a measure for increase in the variable
b. To identify the various forces that affect its behaviour
c. To establish certain theories
d. To construct certain indices
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Unit15 - 4 Mark Quiz Questions
1.
1.
a. d
b. c
c. b
d. a
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2.
a. c
b. d
c. b
d. a
Submit
3.
a. d
b. c
c. b
d. a
Submit
4.
a. a
b. b
c. c
d. d