Twin: Intelligence test scores for identical twins in which one...

Description Usage Format Source Examples

Description

Data for Exercise 7.54

Usage

1

Format

A data frame with 9 observations on the following 3 variables.

TwinA

a numeric vector

TwinB

a numeric vector

differ

a numeric vector

Source

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

Examples

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str(Twin)
attach(Twin)
qqnorm(differ)
qqline(differ)
shapiro.test(differ)
t.test(TwinA,TwinB,paired=TRUE)
detach(Twin)


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