BSDA (version 1.01)

Chips: Four measurements on a first wafer and four measurements on a second wafer selected from 30 lots

Description

Data for Exercise 10.9

Usage

Chips

Format

A data frame with 30 observations on the following 8 variables.

wafer11

a numeric vector

wafer12

a numeric vector

wafer13

a numeric vector

wafer14

a numeric vector

wafer21

a numeric vector

wafer22

a numeric vector

wafer23

a numeric vector

wafer24

a numeric vector

Examples

# NOT RUN {
str(Chips)
attach(Chips)
boxplot(wafer11,wafer12,wafer13,wafer14,wafer21,wafer22,wafer23,wafer24)
detach(Chips)
# }