Measures of Central Tendency

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, and 6?

• 6

• 3

• 5

• 4

What measure of central tendency is calculated by adding all the values and dividing the sum by the number of values?

• Mean

• Median

• Mode

• Typical Value

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

• 61.8

• 62

• 62.8

• 63

The front row in a movie theatre 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

What is the median of the following numbers:

10, 9, 9, 8, 7, 6, 5, 4, 3

• 5

• 6

• 7

• 8

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

What is the term used to describe the distribution of a data set with one mode?

• Multimodal

• Unimodal

• No mode

• Bimodal

What is the mode of the following numbers? 12, 11, 14, 10, 8, 13, 11, 9

• 10

• 14

• 8

• 11