Mean Median and Midrange

Calculate the mean.

• 7

• 5

• 8

• 4

Calculate the mean.

• 8

• 4

• 7

• 22

Calculate the mean.

23, 18, 9, 10, 5

• 55

• 13

• 14

• 17

The number of pages that Carolyn wrote in her journal each day from Monday to Friday is shown below: 
9, 8, 12, 6, 10
What is the mean number of pages she wrote per day?

• 5

• 6

• 9

• 11

Mary read six books in January, four books in February, and eight books in March.What was the average number of books read each month? __________

• 18

• 6

• 14

When finding the median, what do you do if there are two middle numbers?

• Add them together and divide by 2

• Write them both as the answer

• Give up

• Pick one

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

• True

• False

Find the median.
12, 5, 9, 18, 22, 25, 5

• 9

• 8

• 12

• 18

What is the median of the data set?
9, 7, 2, 4, 3, 5, 9, 6, 8, 0, 3, 8

• 6

• 7

• 5.5

• 9

Find the median of the data set:
18, 19, 17, 14, 20, 20, 15, 21

• 17

• 18.5

• 20

• 14