Mean Math

What is the mean absolute deviation of the data: 10, 17, 20, 12, and 16? Round to the nearest whole number.

• 15

• 5

• 3

• 2

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

Dr. Dre is a dentist. He needs to report on the mean (average) number of cavities that his patients have.
1,0,1,5,6,3,4

• 3.33

• 2.85

• 3

• 3.5

• A) 34.4

• B) 6.88

• C) 38.4

• D) 7.68

• A) 71

• B) 24

• C) 4

• D) 13

• 2.5

• 77

• 58.5

• 57.25

• 49.66

• 54

• 13

• 2

• F) $240

• G) $190

• H) $210

• J) $300

• 5

• 6

• 7

• 5 and 7

What is the mean height of the four boys?

• 636 cm

• 159 cm

• 169 cm

• 162 cm