Understanding Averages in Maths

What is the mean of the following set of numbers: 4, 8, 6, 5, 3?

• 5

• 6

• 4

• 7

Find the median of the following numbers: 12, 15, 11, 14, 13.

• 12

• 13

• 14

• 15

In the data set: 7, 9, 9, 10, 12, what is the mode?

• 7

• 9

• 10

• 12

A shopkeeper records the number of customers visiting his shop each day for a week: 20, 22, 18, 25, 20, 19, 21. What is the mean number of customers per day?

• 20

• 21

• 22

• 23

If the temperatures recorded over a week are: 15°C, 17°C, 16°C, 18°C, 15°C, 19°C, 15°C, what is the mode temperature?

• 15°C

• 16°C

• 17°C

• 18°C

A family records the amount of milk they consume each day in ounces: 30, 32, 28, 35, 30, 29, 31. What is the median amount of milk consumed?

• 30 ounces

• 31 ounces

• 32 ounces

• 33 ounces

In a class of 30 students, the average score in a maths test is 75. If the total score of all students is 2250, what is the mean score?

• 70

• 75

• 80

• 85

A runner records his times for a 5-mile run over five days: 40 minutes, 42 minutes, 38 minutes, 41 minutes, 39 minutes. What is the mean time?

• 39 minutes

• 40 minutes

• 41 minutes

• 42 minutes

A teacher wants to find the most common grade in her class. The grades are: A, B, A, C, B, A, B. What is the mode grade?

• A

• B

• C

• None

In a survey, the number of books read by students in a month are: 3, 5, 2, 4, 3, 6, 3. What is the mode number of books read?

• 2

• 3

• 4

• 5