Math · Age 10 · Data & Simple Statistics
Understanding the Mean (Ex. 3)
Use knowledge of the mean to find totals and missing values.
Module
Data & Simple Statistics
Age
Age 10
Duration
10 min
Questions
5
What's in this exercise
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Question 1
Multiple choice
The mean of 5 numbers is 12. What is their total?
Question 2
Multiple choice
Four friends save £5, £8, £11, £8. Mean savings?
Question 3
Multiple choice
Mean of 3, 5, 7, and 9?
Question 4
Sequence
Mean of growing sets: mean(5+7)÷2=6, mean(6+8)÷2=7, mean(7+9)÷2=8, mean(8+___)÷2=9.
Question 5
True or false
To find the mean, divide the total sum by the number of values.