Statistics Review

What is the mean of the following numbers?

10, 39, 71, 39, 76, 38, 25

• 42

• 39

• 42.6

• 35.5

What number would you divide by to calculate the mean of 3, 4, 5, 6

• 6

• 3

• 5

• 4

The mean of four numbers is 71.5. If three of the numbers are 58, 76, 88, what is the value of the fourth number?

• 64

• 60

• 76

• 82

The mean width of 12 iPads is 5.1 inches. The mean width of 8 Kindles is 4.8 inches. What is the mean width of 12 iPads and 8 Kindles all together?

• 4.95 inches

• 4.98 inches

• 5.05 inches

• 4.92 inches

What is the median of the following numbers?

10, 39, 71, 39, 76, 38, 25

• 42.5

• 39

• 42

• 35.5

the front row in a movie theater has 23 seats. If you were asked to sit in the seat that occupied the median position, in which seat would you have to sit?

• 1

• 11

• 23

• 12

A set of four numbers that begins with the number 32 is arranged from smallest to largest. If the median is 35, which of the following could possibly be the set of numbers?

• 32, 32, 36, 38

• 32, 35, 38, 41

• 32, 34, 36, 37

• 32, 36, 40, 44

what is the mode of the following numbers?

12, 11, 14, 10, 8, 13, 11, 9

• 11

• 10

• 14

• 8

Which of the following measures can have more than one value for a set of data?

• Median

• Mean

• Mode

• None of these