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Lesson details

Key learning points

  1. 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.
An image in a quiz
140
Correct answer: 28
5
Q2.
Calculate the mean of the data set below.
An image in a quiz
Correct answer: 14
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.
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14
Correct answer: 15
88
Q4.
The mean of the five number cards below is 9. What is the missing number?
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38
45
Correct answer: 7

Lesson appears in

UnitMaths / Percentages and statistics