Mean in Statistics

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

• 2

• The minimum

• The maximum

• The number of items

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

• 20

• 18

• 11

• 19

Find the mean:
9, 9, 3, 2, 8, 7, 4 

• 49

• 6

• 9

• 7

What is the mean?

• happening the most

• the number in the middle

• biggest-smallest

• the average

Find the mean of these numbers:
5,11,2,12,4,2

• 4.1

• 6

• 4.5

• 4

In the last 5 games, Kevin Durant scored 22, 22, 18, 12, and 21 points. What is Durant's Mean (Average) score per game?

•  19 points per game

• 95 points per game

• 18.6 points per game

• 22 points per game

The table shows the quiz scores for two students.

Find the difference in the averages.

• 4

• 5

• 7

• 6

Find the approximate mean absolute deviation of the following temperatures

• 5.7

• 4.6

• 3.5

• 6.8

The students in Mrs. Lewis' class took the reading benchmark in the spring of 2022. The following were the grades of the first 7 students in her homeroom. 54, 74, 80, 72, 88, 79, 64 What is approximate mean absolute deviation?

• 8.3

• 8.9

• 9.2

• 9.6

Alex wants to have an average of 90 in her math class On the first 4 assignments she received 95, 85, 75, 100. What must she score on the 5th assignment to get an exact average of 90?

• 85

• 90

• 95

• 100