p4.20 {MPV}

Data Set for Problem 4-20

Description

The p4.20 data frame has 26 observations on a designed experiment to determine the influence of five factors on the whiteness of rayon.

Usage

data(p4.20)

Format

This data frame contains the following columns:

acidtemp

acid bath temperature

acidconc

cascade acid concentration

watertemp

water temperature

sulfconc

sulfide concentration

amtbl

amount of chlorine bleach

y

a measure of the whiteness of rayon

Source

Montgomery, D.C., Peck, E.A., and Vining, C.G. (2001) Introduction to Linear Regression Analysis. 3rd Edition, John Wiley and Sons.

References

Myers and Montgomery (1995) Response Surface Methodology, pp. 267-268.

Examples

data(p4.20)
y.lm <- lm(y ~ acidtemp, data=p4.20)
summary(y.lm)