BSDA (version 0.1)

Simpson: Grade point averages of men and women participating in various sports-an illustration of Simpson's paradox

Description

Data for Example 1.18

Usage

Simpson

source

Kitchens, L. J. (2003) Basic Statistics and Data Analysis. Duxbury

Examples

str(Simpson)
attach(Simpson)
par(mfrow=c(1,2))
boxplot(gpa~gender,col=c("blue","pink"),names=c("Male","Female"),
main="GPA versus Gender",xlab="Gender",ylab="Grade Point Average")
boxplot(gradept~gender2,las=2,col=c("blue","pink"),
names=c("M-BBALL","F-BBALL","M-SOCC","F-SOCC","M-TRAC","F-TRAC"),
ylab="Grade Point Average",main="GPA vs Gender by Sports")
par(mfrow=c(1,1))
detach(Simpson)