Plasma LDL levels in two groups of quail
Data for Exercise 1.53, 1.77, 1.88, 5.66, and 7.50
Quail
A data frame/tibble with 40 observations on two variables
a character variable with values placebo and treatment
low-density lipoprotein (LDL) cholestrol level
J. McKean, and T. Vidmar (1994), "A Comparison of Two Rank-Based Methods for the Analysis of Linear Models," The American Statistician, 48, 220-229.
Kitchens, L. J. (2003) Basic Statistics and Data Analysis. Pacific Grove, CA: Brooks/Cole, a division of Thomson Learning.
boxplot(level ~ group, data = Quail, horizontal = TRUE, xlab = "LDL Level",
col = c("yellow", "lightblue"))Please choose more modern alternatives, such as Google Chrome or Mozilla Firefox.