Pre Algebra Mean Median Mode

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

• 42

• 39

• 42.5

• 35.5

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

• 6

• 3

• 5

• 4

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

• 60

• 76

• 82

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

What is the median of the following numbers? 10, 39, 71, 42, 39, 76, 38, 25

• 42.5

• 39

• 42

• 35.5

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

• 68

• 71

• 69

• 79

. 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, 35

• 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?

. What are the modes of the following sets of numbers? 3, 13, 6, 8, 10, 5, 6 ,12, 0, 15, 15, 13, 19, 16, 13, 16, 16

• 13, 25

• 31,16

• 61,31

• 13,16

A student recorded her scores on weekly math quizzes that were marked out of a possible 10 points. Her scores were as follows: 8, 5, 8, 5, 7, 6, 7, 7, 5, 7, 5, 5, 6, 6, 9, 8, 9, 7, 9, 9, 6, 8, 6, 6, 7 What is the mode of her scores on the weekly math quizzes?

• 60,80

• 6,7

• 7,6

• 4,6