Measures of Distribution Statistics

The interquartile range is...

• 6.5

• 9

• 2.5

• 3

The variance is...

• 1.56

• 2.42

• 2.41

• 1.55

What do descriptive statistics describe?

• How small the data range is

• the central tendency of the data and the spread

• How big the numbers are

• A story

Measures of variability are numbers that describe diversity in the distribution.

• True

• False

What percent of students have a height between 58 inches and 64 inches?

• 25%

• 50%

• 75%

• 100%

What is the IQR of the Cruisers?

• 4

• 6

• 9

• 13

What is the third quartile (Upper Quartile) of the data?

• 37

• 38

• 40

• 46

If the lowest 25% of test scores must retest, which range represents those who must retest?

• 57-76

• 57-77

• 57-86

• 92-100

What is the maximum value?

• 58

• 66

• 64

• 60

What percentage of the data is between 90 and 140?

• 25 %

• 50%

• 75%

• 100%