Data for Exercise 1.49
A data frame/tibble with 30 observations on one variable
test scores on the first test in a beginning biology class
Kitchens, L. J. (2003) Basic Statistics and Data Analysis. Pacific Grove, CA: Brooks/Cole, a division of Thomson Learning.
hist(Biology$score, breaks = "scott", col = "brown", freq = FALSE, main = "Problem 1.49", xlab = "Test Score") lines(density(Biology$score), lwd=3)
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