Statistics Describe Distribution

What is the range?

• 8

• 7

• 6

• 5

What is the first quartile of the data?

• 5.5

• 6.5

• 8

• 9

The variance is...

• 2.33

• 2.40

• 2.31

• 1.53

The standard deviation of the data is...

• 1.51

• 1.53

• 1.55

• 1.6

Which measures of central tendency would be the highest?

• mean

• median

• mode

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

Descriptive statistics consists of methods of organizing, summarizing and presenting data in an informative way.

• True

• False

These symbols represent the mean and standard deviation for which of the following distributions?

• The Population

• The Sample

• The Sampling Distribution