Grades for two introductory statistics classes
Data for Exercise 7.30
Statclas
A data frame/tibble with 72 observations on two variables
class meeting time (9am or 2pm)
grade for an introductory statistics class
Kitchens, L. J. (2003) Basic Statistics and Data Analysis. Pacific Grove, CA: Brooks/Cole, a division of Thomson Learning.
str(Statclas) boxplot(score ~ class, data = Statclas, col = "red") t.test(score ~ class, data = Statclas)
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