Measures of center

On the semester final, Justin scored 85, Giselle scored 89, and Azariah scored a 99. What was the average/mean score for these students? _________

• 91

• 89

When finding the median, what do you do if there are two middle numbers?

• Write them both as the answer

• Add them together and divide by 2

• Pick one

• add both of the numbers

The number of miles that Laylah cycled each week for a 7-week period is shown: 
36, 42, 28, 52, 48, 36, 31 

What is the median number of miles Laylah Cycled?

• 31

• 28

• 36

• 28

The number of books read by students in a month are: 3, 4, 2, 4, 5, 4, 3

What is the mode of the number of books read?

• 3

• 4

• 2

• 5

The heights (in inches) of students in a class are: 62, 65, 67, 70, 64, 68, 66

What is the range of the heights?

• 6

• 8

• 10

• 12

The following are the weekly allowances (in dollars) of 7 students: 10, 12, 10, 15, 12, 10, 13

Which of the following statements is true?

• The mean allowance is $11

• The median allowance is $12

• The mode of the allowances is $15

• The range of the allowances is $5.

A group of friends tracked the number of hours they played video games over the weekend: 3, 5, 4, 6, 7, 4, 5.

What is the mean number of hours they played video games?

• 4

• 5

• 6

• 4.5

What is the range of these numbers? 15, 22, 8, 19, 31, 12

• 23

• 19

• 15

• 31

The number of apples picked by a group of friends are: 12, 15, 12, 18, 20, 12, 15

What is the mode of the number of apples picked?

• 12

• 15

• 18

• 20

What is the median of these numbers? 7, 9, 5, 3, 8, 6, 4

• 5

• 6

• 7

• 8