Illustrates a comparison problem for long-tailed distributions
Data for Exercise 7.41
Independent
A data frame/tibble with 46 observations on two variables
a numeric vector
a factor with levels A and B
Kitchens, L. J. (2003) Basic Statistics and Data Analysis. Pacific Grove, CA: Brooks/Cole, a division of Thomson Learning.
qqnorm(Independent$score[Independent$group=="A"]) qqline(Independent$score[Independent$group=="A"]) qqnorm(Independent$score[Independent$group=="B"]) qqline(Independent$score[Independent$group=="B"]) boxplot(score ~ group, data = Independent, col = "blue") wilcox.test(score ~ group, data = Independent)
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