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openintro (version 2.4.0)

mammogram: Experiment with Mammogram Randomized

Description

An experiment where 89,835 women were randomized to either get a mammogram or a non-mammogram breast screening. The response measured was whether they had died from breast cancer within 25 years.

Usage

mammogram

Arguments

Format

A data frame with 89835 observations on the following 2 variables.

breast_cancer_death

a factor with levels no yes

Examples

Run this code


table(mammogram)
chisq.test(table(mammogram))

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