Mean Mean Median Range

Calculate the mean.

• 8

• 4

• 7

• 22

What is the definition of the mean?

• The average

• The middle number

• The difference between the highest and lowest numbers

• The number that occurs the most

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

Find the mean.
18, 2, 0, 0, 0

• 4

• 5

• 10

• 20

Match the following terms with its correct definition.

• The number that appears most frequently in a set of numbers

• Median

• The middle value in a list of numbers when arranged in ascending order

• Range

• The difference between the highest and lowest values in a set of numbers

• Mean or Average

• Add together, and divide by 2.

• Mode

• The sum of all values divided by the total number of values

• What if there are 2 numbers in the middle?

What is the MEAN for this data?

• 80

• 1040

• 13

• 81

Find the mean:
28, 18, 19, 18, 17

• 20

• 18

• 11

• 19

Find the median:
3, 5, 7, 4, 3, 1

• 3 and 4

• There isn't one

• 3.5

• 3

To find the average of a set of numbers, add up all the items and divide by...

• 2

• The minimum

• The maximum

• The number of items

Lizzy had test scores of:   72, 94, 108, 60
What is the RANGE of her test scores?

• 12

• 72

• 48

• 98