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Advanced Algebra / Trigonometry
Chapter 12 Probability and StatisticsMeasures of Central Tendency
Measures of Variation
Target Goals
1) Determine the mean, median, and mode for a set of data. (Measures of Central Tendency)
2) Determine range, quartiles, interquartile range and outliers for a set of data. (Measures of Variation)
Please select a Team.
A. B. C. D. E. F. G. H. I. J.
0 0 0 0 000000
A. Team 1B. Team 2C. Team 3D. Team 4E. Team 5F. Team 6G. Team 7H. Team 8I. Team 9J. Team 10
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Measures of Central Tendency
Example 1
Find the median, mode and mean for the data set.
8,9,9,9,9,9,9,9,9,10,11,11,11,11,11,11,11,12,12,13,13,13,14,15,15,16,17,18
11 11median = 11
2
mode = 9
8 9 9 9 9 9 9 9 9 10 11 11 11 11 11 11 11 12 12 13 13 13 14 15 15 16 17 18mean =
28
325mean =
2811.6
.
a. b. c. d.
0 000
a. b. c. d.
.A
.B
Target Goal: Determine the mean, median, and mode for a set of data. Measures of Central Tendency .
.C
.D
Find the median of the calorie values?
17
17.5
18.5
21.8Response Grid
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a. b. c. d.
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a. b. c. d.
.A
.B
Target Goal: Determine the mean, median, and mode for a set of data. Measures of Central Tendency .
.C
.D
Find the mode of the calorie values?
17
17.5
18.5
21.8Response Grid
Countdown
15
.
a. b. c. d.
0 000
a. b. c. d.
.A
.B
Target Goal: Determine the mean, median, and mode for a set of data. Measures of Central Tendency .
.C
.D
Find the mean of the calorie values?
17
17.5
18.5
21.8Response Grid
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Measures of VariationRange, Quartiles, Interquartile Range, and Outliers.
Example 2
3,4,5,6,6,7,7,9,9Range 69 3Median 6
Lower Quartile (LQ) 4 5
2
4.5
Upper Quartile (UQ) 7 9
2
8
Interquartile Range 8 4.5 3.5
Measures of VariationRange, Quartiles, Interquartile Range, and Outliers.
Example 3
0,4,5,7,8,8,9,10,12,13,16,17,20,21
Range 2121 0
Median 9 10
2
Lower Quartile (LQ) 7
Upper Quartile (UQ) 16
Interquartile Range 16 7 9
Find the range, median, UQ, LQ, interquartile range and any outliers.
9.5
16 9 1.5Outlier Limits 29.5 and 7 9 1.5 6.5
No Outliers
.
a. b. c. d.
0 000
a. b. c. d. .A
.B
Target Goal: Determine range, quartiles, interquartile range and outliers for a set of data.
.C
.D
1028
1009
923.5
1465Response Grid
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.
a. b. c. d. .A
.B
Target Goal: Determine range, quartiles, interquartile range and outliers for a set of data.
.C
.D
513
1038
LQ
UQ
Find the lower and upper quartiles.
513
1018
LQ
UQ
650
1038
LQ
UQ
650
1018
LQ
UQ
a. b. c. d.
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a. b. c. d.
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a. b. c. d. .A
.B
Target Goal: Determine range, quartiles, interquartile range and outliers for a set of data.
.C
.D
437
437 & 456
1465
No Outliers
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Team Scores200 Team 6175 Team 2150 Team 1150 Team 7100 Team 4100 Team 8100 Team 1060 Team 50 Team 9
End
Advanced Algebra / Trigonometry
Chapter 12 Probability and StatisticsMeasures of Central Tendency
Measures of Variation
Target Goals
1) Determine the mean, median, and mode for a set of data. (Measures of Central Tendency)
2) Determine range, quartiles, interquartile range and outliers for a set of data. (Measures of Variation)
Measures of Central Tendency
Example 1
Find the median, mode and mean for the data set.
Measures of VariationRange, Quartiles, Interquartile Range, and Outliers.
Example 2
Range Median
Lower Quartile (LQ)
Upper Quartile (UQ)
Interquartile Range
Measures of VariationRange, Quartiles, Interquartile Range, and Outliers.
Example 3
Range
Median Lower Quartile (LQ)
Upper Quartile (UQ)
Interquartile Range
Find the range, median, UQ, LQ, interquartile range and any outliers.
Outlier Limits
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