Measures of Variability Practice

Find the variance of the data.

• 62.85

• 62.8

• 62.7

• 62.75

Find the standard deviation of the data.

• 7.94

• 7.93

• 7.92

• 7.91

What does s stand for?

• sample standard deviation

• sample variance

• population standard deviation

• population variance

What does s² stand for?

• sample standard deviation

• sample variance

• population standard deviation

• population variance

What does σ stand for

• sample standard deviation

• sample variance

• population standard deviation

• population variance

What does σ² stand for?

• sample standard deviation

• sample variance

• population standard deviation

• population variance

What is the relationship between standard deviation and variance?

• standard deviation is the square root of the variance

• variance is the square root of the standard deviation

• there is no relationship

• they mean the same thing

• The mean of the data is 25.

• The mode of the data is 22.

• The range of the data is 4.

• The median of the data is 21.

Tags

CCSS.6.SP.B.4

CCSS.HSS.ID.A.1