TCAP Practice Mean Median Mode Range

Calculate the mean of the following data set: 10, 15, 20, 25, 30

• 28

• 20

• 22

• 18

Find the median of the data set: 5, 10, 15, 20, 25, 30

• 10

• 15

• 20

• 35

Calculate the range of the data set: 2, 5, 8, 11, 14, 17

• 20

• 15

• 25

• 10

Calculate the median of the following data set: 3, 6, 9, 12, 15, 18, 21

• 24

• 15

• 9

• 12

Match the following terms with its correct definition.

• The sum of all values divided by the total number of values

• Range

• The number that appears most frequently in a set of numbers

• Mode

• Add together, and divide by 2.

• Mean or Average

• The difference between the highest and lowest values in a set of numbers

• Median

• The middle value in a list of numbers when arranged in ascending order

• What if there are 2 numbers in the middle?

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.

Identify the mode of the data set: 7, 7, 7, 14, 14, 21, 21

• 14

• 21

• 28

• 7

Calculate the range of the data set: 4, 8, 12, 16, 20, 24

• 16

• 22

• 20

• 28

Identify the mode of the data set: 5, 5, 10, 15, 15, 20, 25

• 5, 10

• 10, 20

• 15, 25

• 5, 15

Apply TCAP practice problem: The test scores of a class are 85, 90, 92, 88, 95. What is the mean score?

• 85

• 90

• 92

• 100