Application of Number

Level 2

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Mean, Median and Mode - Introduction

Using the mean, median and mode are really useful ways of comparing sets of data. Working out the mean, median and mode are often used when comparing:

• class exam results;
• sales of things, e.g. CDs, cars, stereos, etc;
• sizes of people (for example if you needed to order uniforms, knowing the mean, median and mode will help you decide how many of each size to order);
• interests of people for market research.

We will look at each in turn and then look at some questions at the end to practise using them together.

Mean
Median
Mode
Range
Problems

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