Mean Absolute Deviation, Standard Deviation, Variance

Mean Absolute Deviation, Standard Deviation, Variance

11th - 12th Grade

10 Qs

quiz-placeholder

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Mean Absolute Deviation, Standard Deviation, Variance

Mean Absolute Deviation, Standard Deviation, Variance

Assessment

Quiz

Mathematics

11th - 12th Grade

Hard

Created by

Barbara White

FREE Resource

10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Media Image

The number of miles that Jenna cycled each week for a 7-week period is shown:

36, 42, 28, 52, 48, 36, 31

What is the IQR number of miles Jenna cycled?

24

17

6

52

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

If the standard deviation of a data set is 10, what is the variance?

20

100

2.5

10

3.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Media Image

Ervin bowled 7 games last weekend. His scores are: 155, 165, 138, 172, 127, 193, 142. What is the sample standard deviation of Ervin's scores?

511.33

22.61

438.48

20.94

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Media Image

Ervin bowled 7 games last weekend. His scores are: 155, 165, 138, 172, 127, 193, 142. What is the population variance of Ervin's scores?

511.33

22.61

438.29

20.94

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

The number of goals scored by seven forwards in one soccer season were 8, 6, 4, 8, 3, 1, and 5. Find the mean absolute deviation (MAD) of goals scored by the seven forward.

2

10

3

5

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the difference between the formulas for population variance and sample variance?

The sample variance is the square root of the population variance.

The population variance divides the sum of the squares by n-1, while sample divides by N.

The population variance divides the sum of the squares by N, while sample divides by n-1.

There is no difference.

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

The masses of six children are 34.5 kilograms, 42.6 kilograms, 39.8 kilograms, 40.1 kilograms, 53.4 kilograms, and 33.8 kilograms. Find the mean mass.
40.7 kg
40
41
50

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