Mean Median Mode Missing Values

Justin got these grades in three tests: 72, 80 and 82. He had one more test to take. He wanted an average of 80 for the four tests. What mark must he get in the fourth test?

• 80

• 234

• It is not possible for him to get an 80 average

• 86

What is the median of this dot plot?

• 2

• 3

• 4

• 5

• 2.5

Find the mean of Violet's test scores.

95, 90, 100, 90, 85, 95, 75

• 105

• 92

• 90

• 95

If the mean of a data set is 10, what is the missing piece of data? 
5, 4, 7, 15, 12, ___

• 7

• 17

• 20

• 16

A data set can have more than one mode

• True

• False

What is the median dress cost according to this dot plot?

• 26

• 28

• 32

• 38

Based on this box-and-whisker plot, what was the median math test score?

• 70

• 85

• 90

• 100

At which number does this plot have a peak?

(Hint: think mode)

• 1

• 3

• 4

• 13

Fill in the missing number.

• 3

• 4

• 5

• 7

In a histogram, the tallest bar represents which measure of center?

• Range

• Mean

• Median

• Mode