R/BSDA-package.R
Hostile.RdData for Example 10.6
HostileA data frame/tibble with 135 observations on two variables
a factor with the location of the high school student
(Rural, Suburban, or Urban)
the score from the Hostility Level Test
Kitchens, L. J. (2003) Basic Statistics and Data Analysis. Pacific Grove, CA: Brooks/Cole, a division of Thomson Learning.
boxplot(hostility ~ location, data = Hostile,
col = c("red", "blue", "green"))
kruskal.test(hostility ~ location, data = Hostile)
#>
#> Kruskal-Wallis rank sum test
#>
#> data: hostility by location
#> Kruskal-Wallis chi-squared = 11.607, df = 2, p-value = 0.003018
#>