Spelling {BSDA}R Documentation

Spelling scores for 9 eighth graders before and after a 2-week course of instruction

Description

Data for Exercise 7.56

Usage

Spelling

Format

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

Before
a numeric vector
After
a numeric vector
differ
a numeric vector

Source

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

Examples

str(Spelling)
attach(Spelling)
qqnorm(differ)
qqline(differ)
shapiro.test(differ)
t.test(After,Before,paired=TRUE,alternative="greater")
detach(Spelling)

[Package BSDA version 0.1 Index]