Statistical Education Resource Kit

Comparing groups using conditional probabilities

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Table of Contents

Comparing groups using conditional probabilities

Plaque Breaks and Heart Attacks

The comparison

Relative risk

Example: Gender and Tattoos

The comparison

Interpretation of relative risk

Alternatively

Increased risk

Increased risk

Caution!

Odds

Interpreting odds

Example: Gender and Tattoos

Odds of Not Having a Tattoo

Odds ratio

The comparison

What to know?

Author: Laura J. Simon 

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