Wear of soles of shoes of materials A and B for one foot each for of ten boys.
Usage
shoes
Arguments
Format
This data frame contains:
A:
Wear, material A
B:
Wear, material B
boy:
Id of boy
footA:
The foot with material A
Details
The shoes data are measurements of the amount wear of the
soles of shoes worn by 10 boys. The soles were made to two
different synthetic materials, a standard material A and a
cheaper material B.
References
Box, Hunter, Hunter (2005) Statistics for Experimenters, 2nd edition Wiley, p. 81.