Median {BSDA}

Illustrates test of equality of medians with the Kruskal Wallis test

Description

Data for Exercise 10.52

Usage

Median

Format

A data frame/tibble with 45 observations on two variables

sample

a vector with values Sample1, Sample 2, and Sample 3

value

a numeric vector

References

Kitchens, L. J. (2003) Basic Statistics and Data Analysis. Pacific Grove, CA: Brooks/Cole, a division of Thomson Learning.

Examples

boxplot(value ~ sample, data = Median, col = rainbow(3))
anova(lm(value ~ sample, data = Median))
kruskal.test(value ~ factor(sample), data = Median)