Tensile strength of plastic bags from two production runs
Data for Example 7.11
Tensile
A data frame/tibble with 72 observations on two variables
plastic bag tensile strength (pounds per square inch)
factor with run number (1 or 2)
Kitchens, L. J. (2003) Basic Statistics and Data Analysis. Pacific Grove, CA: Brooks/Cole, a division of Thomson Learning.
boxplot(tensile ~ run, data = Tensile,
col = c("purple", "cyan"))
t.test(tensile ~ run, data = Tensile)Please choose more modern alternatives, such as Google Chrome or Mozilla Firefox.