I want to know how many people in Fayette Co KY, recycle. I
interview those people who live in the
area codes 40504 and 40508. 74% of them recycle.
Population:
Sample:
Parameter:
Statistic:
I work at the Happy Candles, Candle Company, I want to know what
the average amount of wax in each
candle is. I take a random sample of 300 candles. I find the
average amount of wax in the 300 candles is
32 oz.
Population:
Sample:
Parameter:
Statistic:
I work for the M&M company I want to know what the average
number of red M&Ms in a large bag is. I
take a random sample of 210 bags of M&Ms. I found that the
average number of red M&Ms in a bag is
80.
Population:
Sample:
Parameter:
Statistic:
7/27/2019 Population Sample Excercise(1) 2 and3
3/3
Critical Thinking Questions:
1. Give three reasons why taking a sample is necessary. (It may
help to think about whyasking/looking at the entire population is
impossible/impractical)
a.
b.
c.
2. Do you think you will get the same results if you take two
samples from the same population.Why or Why not?
3. Ideally when we pick a sample we want it to reflect the
population. What are some things thatcan interfere with that?
