BSDA (version 1.2.0)

Seatbelt: Injury level versus seatbelt usage

Description

Data for Exercise 8.24

Usage

Seatbelt

Format

A data frame/tibble with 86,759 observations on two variables

seatbelt

a factor with levels No and Yes

injuries

a factor with levels None, Minimal, Minor, or Major indicating the extent of the drivers injuries

References

Kitchens, L. J. (2003) Basic Statistics and Data Analysis. Pacific Grove, CA: Brooks/Cole, a division of Thomson Learning.

Examples

# NOT RUN {
T1 <- xtabs(~seatbelt + injuries, data = Seatbelt)
T1
chisq.test(T1)
rm(T1)

# }