p5.12 {MPV}

Data Set for Problem 5-12

Description

The p5.12 data frame has 27 observations on 3 variables, with responses replicated 3 times. Averages and standard deviations are calculated for each level of the experimental design.

Usage

data(p5.12)

Format

This data frame contains the following columns:

i

numeric, experimental run number

xi

numeric

x2

numeric

x3

numeric

yi1

response 1

yi2

response 2

yi3

response 3

ybari

average of 3 responses at ith level

si

standard deviation of 3 responses at ith level

Source

Montgomery, D.C., Peck, E.A., and Vining, C.G. (2021) Introduction to Linear Regression Analysis. 6th Edition, John Wiley and Sons.

References

Vining, G. and Myers, R. (1990) "Combining Taguchi and Response Surface Philosophies: A Dual Response Approach," Journal of Quality Technology, 22, 15-22.

Examples

y.lm <- lm(ybari ~ xi + x2 + x3, data = p5.12)
plot(y.lm, which=1)