Quiz on Mean, Median, Mode, Range, and Box Plots

Find the mean of the following set of data:

7, 9, 5, 7, 6, 8, 7

• 4

• 7

• 8

• 9

Find the median of the following set of data:

1, 2, 4, 5, 5, 6, 7, 7, 8

• 7

• 5

• 5.5

• 6

Find the mode of the following set of data:

8, 5, 8, 8, 4, 1, 8, 2, 1

• 5

• 7

• 8

• 1 and 8

Find the range of the following set of data:

9, 7, 4, 2, 9, 8, 3, 4, 7, 7

• 7

• 6

• 5

• 2

The box plot shows Mrs. Cook's 3rd Period test scores. What is the upper quartile/Q3?

• 65

• 70

• 80

• 90

• 100

Using the box plot, what is the median?

• 25

• 30

• 35

• 45

• 50

Using the box plot, what is the range?

• 200

• 100

• 350

• 300

Using the box plot, what is the IQR, interquartile range?

• 20

• 25

• 30

• 35

What is the lower quartile/Q1 of the following set of data?

1, 1, 5, 6, 7, 8, 10, 11, 12, 14, 20

• 8

• 5

• 12

• 5.5

What is the upper quartile/Q3 of the following set of data?

1, 1, 5, 6, 7, 8, 10, 11, 12, 14, 20

• 8

• 5

• 12

• 13