Autogear | R Documentation |
Data for Exercise 7.46
Autogear
A data frame/tibble with 20 observations on two variables
number of defective gears in the production of 100 gears per day
a factor with levels A
and B
Kitchens, L. J. (2003) Basic Statistics and Data Analysis. Pacific Grove, CA: Brooks/Cole, a division of Thomson Learning.
t.test(defectives ~ manufacturer, data = Autogear)
wilcox.test(defectives ~ manufacturer, data = Autogear)
t.test(defectives ~ manufacturer, var.equal = TRUE, data = Autogear)
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