Mastering Measures of Central Tendency and Range

What is the median of the following set of numbers: 3, 7, 9, 5, 2?

• 5

• 7

• 3

• 9

Find the mode of the following numbers: 12, 17, 12, 19, 12, 14, 17.

• 12

• 17

• 19

• 14

Calculate the mean of these numbers: 8, 11, 6, 14, 9.

• 9.6

• 10

• 8

• 11

What is the range of the following set of numbers: 4, 8, 15, 16, 23, 42?

• 38

• 39

• 40

• 42

A teacher recorded the scores of 6 students in a test as follows: 75, 82, 91, 75, 68, 91. What is the mode of these scores?

• 75 and 91

• 82

• 68

• 75

The heights (in inches) of ten basketball players are: 72, 76, 73, 70, 72, 75, 73, 72, 74, 76. What is the median height?

• 73

• 72.5

• 74

• 75

Calculate the mean of the following data set: 5, 21, 7, 13, 10.

• 11.2

• 12

• 13

• 9

In a survey, the number of books 10 students read over summer break were: 3, 7, 5, 11, 5, 2, 5, 9, 4, 6. What is the range of books read?

• 9

• 8

• 7

• 6

Given the set of numbers: 45, 51, 58, 62, 45, 51, 45. What is the mean?

• 50.7

• 51

• 52

• 49.5

A set of data includes the following numbers: 20, 15, 25, 20, 30. What is the mode of this data set?

• 20

• 15

• 25

• There is no mode