Mean, Median, Mode and Range

Which of the following terms represent measures of center? You must select ALL correct answers!

• Mean

• Median

• Mode

• Range

Richard wants to find out his current grade in math class after taking five quizzes. Which measure of center would be best for him to use?

• Range

• Mode

• Mean

• Median

Which term best describes the measure of the spread of the data?

• median

• range

• mode

• mean

The table shows the number of people attending the pool for a week. What is the range of people attending the pool during the week?

• 100

• 120

• 110

• 200

Teresa interviewed each teacher at her school to find out how long they had been teaching. She organized her results with a stem-and-leaf plot. According to her data, which statement is true?

• There is no mode.

• No teacher has taught for fewer than 10 years.

• The median is 18.

• The spread of the data set is 29.

The data set below represents the number of pets owned by each student in Mrs.

Mullins' class.

1, 8, 5, 1, 4, 2, 1, 2, 3, 2, 11, 4, 6, 3, 7

What is the mean number of pets owned by the students in Mrs. Mullins' class?

• 4

• 3

• 1

• 2

The stem-and-leaf plot shows the average weight of pet birds. What is the mode for the data?

• 20

• 10

• 22

• 27

This data represents Mr. Jone's bowling scores. Find the median for the set of data.

• 140

• 160

• 142

• 115

Susan took 4 quizzes in math and earned the following grades:

85%, 98%, 82%, 75% and 75%

What was the range of the scores?

• 75%

• 23%

• 83%

• 85%

Which statement below is NOT true of the range of a set of data?

• The range describes the spread of a set of data.

• The range can be determined by subtracting the least value from the greatest value.

• The range is the difference between the greatest and least values in a data set.

• The range describes the average of a set of data.