ex1919 {Sleuth2}

Tire-Related Fatal Accidents and Ford Sports Utility Vehicles

Description

Data shows the numbers of compact sports utility vehicles involved in fatal accidents in the U.S. between 1995 and 1999, categorized according to travel speed, make of car (Ford or other), and cause of accident (tire-related or other).

Usage

ex1919

Format

A data frame with 8 observations on the following 4 variables.

Speed

a factor with levels "0-40", "41-55", "56-65" and ">65"

Make

a factor with levels "Ford" and "Other"

Other

cause of accident was other than tire-related

Tire

cause of accident was tire-related

Source

Ramsey, F.L. and Schafer, D.W. (2002). The Statistical Sleuth: A Course in Methods of Data Analysis (2nd ed), Duxbury.

See Also

ex2018

Examples

str(ex1919)