The Piston Rings data set was taken from Montgomery's book. It consists of 40 samples of size 5 each of values of the diameter of the piston rings.

Format

A data frame with 40 observations on the following 5 variables.

V1

The fisrt measure.

V2

The second measure.

V3

The third measure.

V4

The fouth measure.

V5

The fifth measure.

Source

Montgomery, D.C.,(2008)."Introduction to Statistical Quality Control".4th Ed. Wiley

Examples

data(pistonrings)