Use Box Plot to Find Center/Spread and Describe Shape

Use Box Plot To Find Center/Spread And Describe Shape

Introduction

A box plot provides a visual summary of numerical data. It can be used to identify the center and spread of a data set and to describe how the values are distributed.

A teacher displayed a box-and-whisker plot of the number of books students read in one month and asked Mateo to describe its center, spread, and shape.

To find the center, Mateo located the median line at 10. This is a typical value because half the data values are at or below 10, and half are at or above 10.

Next, Mateo examined the...