Three Popular Data Displays

Introduction

This section elaborates on ways of describing data. In particular, you will learn about the relative frequency histogram. Complete the odd-numbered exercises before checking the answers.

A well-known adage is that "a picture is worth a thousand words". This saying proves true when it comes to presenting statistical information in a data set. There are many effective ways to present data graphically. The three graphical tools that are introduced in this section are among the most commonly used and are relevant to the subsequent presentation of the material in this book.

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