Speedometer cables can be noisy because of shrinkage in the plastic casing material. An experiment was conducted to find out what caused shrinkage by screening a large number of factors. The engineers started with 15 different factors.
The dataset contains the following variables: (variables a-o are 2 level factors, coded "+" and "-" where "+" indicates a higher value where appropriate)
liner outer diameter
liner die
liner material
liner line speed
wire braid type
braiding tension
wire diameter
liner tension
liner temperature
coating material
coating die type
melt temperature
screen pack
cooling method
line speed
percentage shrinkage per specimen