Bookstor | R Documentation |
Data for Exercise 10.30 and 10.31
Bookstor
A data frame/tibble with 72 observations on two variables
money obtained for selling textbooks
a factor with levels A
, B
, and C
Kitchens, L. J. (2003) Basic Statistics and Data Analysis. Pacific Grove, CA: Brooks/Cole, a division of Thomson Learning.
boxplot(dollars ~ store, data = Bookstor,
col = c("purple", "lightblue", "cyan"))
kruskal.test(dollars ~ store, data = Bookstor)
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