Mean and Median

What is the median?

• End

• Beginning

• Middle

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

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

• 9

• 8

• 12

• 18

What is the median of the data set?

• 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

Find the mean of the data set:
34, 57, 58, 56, 21

• 45.2

• 56

• none

• 48

Find the median of these numbers:
4,2,7,4,3

• 2

• 5

• 7

• 4

Find the Mean of:
8, 14, 32, 6, 15

• 15

• 175

• 75

• 12

What is the median of:
6, 12, 16, 11, 8, 4, 1, 11, 4

• 11

• 6

• 8

• 7

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