Intro Statistics Review

What is a requirement of a statistical question?

• one set answer

• a variety of answers

Statistical questions have _____ possible answers.

• zero

• one

• only two

• two or more

What is the mean of this set of data?

2, 15, 7

• 24

• 3

• 6

• 8

Find the mode:

3.8, 4.2, 4.0, 4.2, 4.2

• 4.2

• 3.8

• 4.0

• 4

What is the mean?

4, 5, 6, 7, 3, 4, 10, 1

• 7

• 4.5

• 5

• 8

What is the interquartile range (IQR)?

• 4

• 64

• 60

• 8

What value is the lower quartile?

• 66

• 58

• 60

• 64

What is the median?

• 62

• 58

• 66

• 60

What is the range of the data shown?

• 85

• 90

• 80

• 70

What is the median for this list: 3, 9, 17, 11, 17, 3, 1

• 9

• 17 and 3

• 8.71

• 16