Statistics and Data Review

What is the interquartile range (IQR)?

• 4

• 64

• 60

• 8

Which restaurant has a higher median wait time?

• Lucy's Steakhouse

• Gary's Grill

• They are the same

Use the box plot to answer the question.

• 14

• 18

• 15

• 12

What percentage of the data is between 90 and 140?

• 25 %

• 50%

• 75%

• 100%

In order to find the median, the data must be sorted from least to greatest first.

• True

• False

Find the IQR (Q3 - Q1)  of the data

20, 22, 25, 29, 31

• 30

• 21

• 25

• 9

How many people have four books in their desks?

• 2

• 3

• 4

• 5

What is the range of the data shown in the stem and leaf plot?

• 40

• 56

• 136

• 96

What is the mode of the scores?

• 24

• 14

• 34

• 30

What is the range of the data shown?

• 85

• 90

• 80

• 70