Carbon monoxide emitted by smoke stacks of a manufacturer and a competitor
Data for Exercise 7.45
Monoxide
A data frame/tibble with ten observations on two variables
a vector with values manufacturer and competitor
carbon monoxide emitted
Kitchens, L. J. (2003) Basic Statistics and Data Analysis. Pacific Grove, CA: Brooks/Cole, a division of Thomson Learning.
boxplot(emission ~ company, data = Monoxide, col = topo.colors(2))
t.test(emission ~ company, data = Monoxide)
wilcox.test(emission ~ company, data = Monoxide)
## Not run:
library(ggplot2)
ggplot2::ggplot(data = Monoxide, aes(x = company, y = emission)) +
geom_boxplot() +
theme_bw()
## End(Not run)Please choose more modern alternatives, such as Google Chrome or Mozilla Firefox.