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Contents

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Exploring data: graphs and numerical summaries

Introduction

Unit image

This unit will introduce you to a number of ways of representing data graphically and of summarising data numerically. You will learn the uses for pie charts, bar charts, histograms and scatterplots. You will also be introduced to various ways of summarising data and methods for assessing location and dispersion.

This free course is an adapted extract from the Open University course M248 Analysing data. [Tip: hold Ctrl and click a link to open it in a new tab. (Hide tip)]

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