Box-and-Whisker Plot

By: Emily De Rosa, Grant Lucas, Tayzer Enlow

Purpose and Definition

Purpose: to see whether there are any outliers in the set of data; and when there are large numbers of observations in two or more sets of data

Definition: a graphic way to display the median, quartiles, and extremes of a data set on a number line in order to distribute the data

Advantages and Disadvantages

Advantages:

-the data doesn't look cluttered

-highlights only the importants parts of the data

-show outliers

Disadvantages:

-not a very detailed analysis of data

-mean and mode cannot be identified

-original data is not shown clearly

Box and Whisker Plots - MathHelp.com - Pre Algebra Help