Region | R Documentation |
Data for Exercise 10.26
Region
A data frame/tibble with 48 observations on three variables
pollution index
region of a county (west
, central
, and east
)
ranked values of pollution
Kitchens, L. J. (2003) Basic Statistics and Data Analysis. Pacific Grove, CA: Brooks/Cole, a division of Thomson Learning.
boxplot(pollution ~ region, data = Region, col = "gray")
anova(lm(pollution ~ region, data = Region))
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