Finding the Mean

How do you find the mean of a set of numbers?

• Add all of the numbers up and then divide by the amount of numbers you have

• Do the largest number minus the smallest number

• Find the middle number

• Find the number that occurs most often

Another name for Mean is...

• Median

• Average

• Mode

Find the mean for the number of dog walks per day.

• The mean is 20

• The mean is 4

• The mean is 5

• The mean is Wednesday.

The ages of the four people in quarantine are 14, 32, 27, and 11. What is the average (mean) age of the four people?

• 21

• 14

• 25

• 15

Find the mean of the eight data items given below.

2, 3, 5, 4, 5, 6, 3, 4

• The mean is 3

• The mean is 8

• The mean is 4

• The mean is 5

What is the mean of these numbers?
4,5,5,2,3,3,2,8

• 40
• 24
• 4
• 256

Find the mean of these numbers:

2, 57, 38, 42, 6

• 29

• 38

• 50

• 14

Find the mean of the following set of data:

14.2, 7.8, 11.5, 8, 10.5

• 12.5

• 11.25

• 13.125

• 10.4

What is the average of the following data set:

25, 36, 40, 55, 22, 32, 51, 43

• 41

• 32

• 40

• 38

Find the average of the following numbers:

12.25, 6.8, 10.5, 9, 13

• 10.125

• 10.31

• 10.42

• 10.33