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Data for Exercise 10.4
Groups
A data frame/tibble with 78 observations on two variables
a factor with levels A, B, and C
A
B
C
a numeric vector
Kitchens, L. J. (2003) Basic Statistics and Data Analysis. Pacific Grove, CA: Brooks/Cole, a division of Thomson Learning.
# NOT RUN { boxplot(response ~ group, data = Groups, col = c("red", "blue", "green")) anova(lm(response ~ group, data = Groups)) # }
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