Task 13 [Individual]

What is the mean of the following numbers? 10, 39, 71, 39, 76, 38, 25

• 42.5

• 42

• 41

• 41.5

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

• 4

• 5

• 6

• 7

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

• 64

• 65

• 66

• 67

Determine the mean of the following set of numbers: 40, 61, 95, 79, 9, 50, 80, 63, 109, 42

• 62.8

• 63.8

• 62.9

• 63.7

Determine the median of the following set of numbers: 40, 61, 95, 79, 9, 50, 80, 63, 109, 42

• 62

• 63

• 64

• 65

What is the median of the following numbers? 10, 39, 71, 39, 76, 38, 25

• 39

• 42

• 38

• 42.5

What is the median score achieved by a student who recorded the following scores on 10 math quizzes? Record: 68, 55, 70, 62, 71, 58, 81, 82, 63, 79

• 69

• 68

• 70

• 71

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, 34, 36, 35

• 32, 32, 36, 38

• 32, 35, 38, 41

• 32, 36, 40, 44

The number of service upgrades sold by each of 30 employees is as follows:

32, 6, 21, 10, 8, 11, 12, 36, 17, 16, 15, 18, 40, 24, 21, 23, 24, 24, 29, 16, 32, 31, 10, 30, 35, 32, 18, 39, 12, 20

What is the median number of service upgrades sold by the 30 employees?

• 21

• 24

• 18

• 32

A group of customer service surveys were sent out at random.

The scores were 90, 50, 70, 80, 70, 60, 20, 30, 80, 90, and 20.

Find the mean score.

• 60

• 61

• 59

• 58