Tread wear is estimated by two methods: weight loss and groove wear.
Format
A data frame with 16 observations on the following 2 variables.
- weight
estimated wear (1000's of miles) base on weight loss
- groove
estimated wear (1000's of miles) based on groove wear
Source
These data are available at DASL, the Data and Story Library (https://dasl.datadescription.com/).