| Chipavg {BSDA} | R Documentation |
Data for Exercises 6.49 and 7.47
Chipavg
A data frame with 30 observations on the following 3 variables.
wafer1wafer2thicknessKitchens, L. J. (2003) Basic Statistics and Data Analysis. Duxbury
str(Chipavg)
attach(Chipavg)
EDA(thickness)
t.test(thickness,mu=1000)
boxplot(wafer1,wafer2,name=c("Wafer 1","Wafer 2"))
shapiro.test(wafer1)
shapiro.test(wafer2)
t.test(wafer1,wafer2,var.equal=TRUE)
detach(Chipavg)