Fatality ratings for foreign and domestic vehicles
Data for Exercise 8.34
Vehicle
A data frame/tibble with 151 observations on two variables
a factor with levels domestic and foreign
a factor with levels Much better than average,
Above average, Average, Below average, and Much worse than average
Insurance Institute for Highway Safety and the Highway Loss Data Institute, 1995.
Kitchens, L. J. (2003) Basic Statistics and Data Analysis. Pacific Grove, CA: Brooks/Cole, a division of Thomson Learning.
T1 <- xtabs(~make + rating, data = Vehicle) T1 chisq.test(T1)
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