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Lesson details
Key learning points
- In this lesson, we will explore averages before creating a formula for calculating the mean. We will then move on to find missing values using the mean.
Licence
This content is made available by Oak National Academy Limited and its partners and licensed under Oak’s terms & conditions (Collection 1), except where otherwise stated.
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4 Questions
Q1.
Calculate the mean of the data set below.
140
5
Q2.
Calculate the mean of the data set below.
6
84
Q3.
The data below shows the amount of time 6 pupils took to read one chapter of a book. Calculate the mean time taken to read the chapter, giving your answer to the nearest minute.
14
88
Q4.
The mean of the five number cards below is 9. What is the missing number?
38
45