Mean, median, and mode

The mean of three numbers is 11. Two of the numbers are 9 and 14. What is the third number?

• 8

• 10

• 21

• 23

7   8   10   8   15   13   7   6   7   4

You collect several bags of candy that suspiciously taste like rainbows. You count and record the number of purple candies in each bag. The results are shown above. What is the mode of this data set?

Mathematical Equivalence

ON

2   3   4   1   2   1   3   5   2   3

You collect a few bags of square-shaped candy that may or may not be reminiscent of bursting stars. You count and record the number of red candies in each bag. The results are shown above. What is the mode of this data set?

• 2
• 1 and 3

• 1 and 2

• 2 and 3

The attendance percentages for the past 9 classes of a college English course are listed below.

  95   88   100   75   80   97   92   90   78 

  What is the median of this set of data? 

Mathematical Equivalence

ON

A meteorologist found the monthly average temperature of a city for the past 10 months, listed below.

  58   60   72   77   82   81   72   60   70   65 

  What is the median of this set of data?

Mathematical Equivalence

ON

One particular student earned the test grades listed above. What is their final grade?

Mathematical Equivalence

ON

The mean of three numbers is 18. Two of the numbers are 16 and 12. What is the third number?

• 20

• 24

• 26

• 28

The table shows the scores of the past five games for a high school football team. If the median is 27, which of the following could be the value of x?

• 19

• 21

• 25

• 32

The number of hours a person spent studying each day for one week is shown in the table to the left. What is the average number of hours spent studying on each night for this week?

• 3

• 4

In which of the following histograms is the median most likely equal to the mean?

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