Heating | R Documentation |
Data for Exercise 10.32
Heating
A data frame/tibble with 90 observations on the two variables
a factor with levels A
, B
, and C
denoting
the type of oil heater
heater efficiency rating
Kitchens, L. J. (2003) Basic Statistics and Data Analysis. Pacific Grove, CA: Brooks/Cole, a division of Thomson Learning.
boxplot(efficiency ~ type, data = Heating,
col = c("red", "blue", "green"))
kruskal.test(efficiency ~ type, data = Heating)
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