Center Measures Challenge: Real-World Problems & Comparisons

A class of 30 students took a math test. The scores were: 85, 90, 78, 88, 92, 75, 84, 91, 87, 80. What is the mean score of the class?

• 91.6

• 90

• 85

• 78

In a survey, five friends reported the number of books they read last month: 3, 5, 2, 4, and 6. What is the median number of books read?

• 4

• 2

• 3

• 5

A bakery sells cupcakes for $2 each. Last week, they sold 50 cupcakes on Monday, 70 on Tuesday, and 30 on Wednesday. What is the average number of cupcakes sold per day?

• 60

• 40

• 50

• 55

The heights (in inches) of five plants are: 12, 15, 14, 10, and 13. What is the mode of the heights?

• 12

• No mode

• 15

• 14

During a week, a runner recorded the following distances (in miles) for each day: 3, 5, 4, 3, 6. What is the range of the distances run?

• 2 miles

• 4 miles

• 3 miles

• 5 miles

A teacher recorded the ages of her students: 11, 12, 11, 13, 12, 12, 14. What is the most common age among the students?

• 11

• 13

• 12

• 14

In a game, the scores of five players were: 20, 25, 20, 30, and 25. What is the mean score of the players?

• 22

• 24

• 26

• 28

A family recorded their monthly grocery expenses for five months: $300, $350, $400, $300, and $450. What is the median expense?

• $300

• $350

• $400

• $450

The temperatures (in degrees Fahrenheit) for a week were: 70, 72, 68, 71, 69. What is the mean temperature for the week?

• 68

• 71

• 70

• 72

A store sells three types of shirts: 10 small, 15 medium, and 5 large. What is the mode of the shirt sizes sold?

• medium

• extra-large

• large

• small