Statistical Education Resource Kit

Descriptive Statistics

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Table of Contents

Descriptive Statistics

Which graph to use?

Bar Chart

Bar Chart

Histogram

Analogy

Histogram

Histogram

Too few categories

Too many categories

Dot Plot

Dot Plot

Stem-and-Leaf Plot

Stem-and-Leaf Plot

Box Plot

Box Plot

An aside...

Box Plot (cont’d)

Using Box Plots to Compare

Which graph to use when?

Scatter Plots

Scatter Plots

No relationship

Closing comments

 Author: Laura Simon 

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This web page was submitted by Laura J. Simon: lsimon@stat.psu.edu