MMMR Review

What is the mean of: 12, 18, 16, 24, 34, 40.

• 144

• 24

• 17

• 25

What is the mean of the following test scores: 72, 85, 92, 36 and 54.

• 52.4

• 67.8

• 65

• 339

What is the range of the following test scores: 72, 85, 92, 36 and 54.

• 56

• 38

• 49

• 36

What is the range of the following numbers: 12, 18, 16, 24, 34, 40.

• 40

• 22

• 28

• 22

What is the mode of the following numbers: 13, 18, 12, 11, 18, 20, 22, 7, 13.

• 18

• none

• 13

• 13, 18

What is the mode of the following numbers: 46, 31, 89, 31, 22, 57, 24, 22, 46, 99, 73, 22.

• none

• 46, 31

• 22, 31, 46

• 22

What is the median of the following numbers: 22, 31, 31, 34, 40, 45, 67, 67, 73, 89.

• 31

• 41

• 42.5

• 40

What is the median of the following: 3, 4, 7, 2, 1, 4, 9.

• 4

• 3.5

• 3

• 7

It is best to put your data in order from least to greatest before solving MMMR problems.

• True

• False

To find range, you...

• Subtract the greatest number from the least number.

• You count all the data.

• You find the middle number.

• Subtract the least number from the greatest number.