Learn R Programming

BSDA (version 1.01)

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

Description

Data for Exercise 7.56

Usage

Spelling

Arguments

Format

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

Before

a numeric vector

After

a numeric vector

differ

a numeric vector

Examples

Run this code
# NOT RUN {
str(Spelling)
attach(Spelling)
qqnorm(differ)
qqline(differ)
shapiro.test(differ)
t.test(After,Before,paired=TRUE,alternative="greater")
detach(Spelling)
# }

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