pcmanufact {qcr} | R Documentation |
Personal computer manufacturer data
Description
A personal computer manufacturer counts the number of nonconformities per unit on the final assembly line. He collects data on 20 samples of 5 computers each.
Format
A data frame with 10 observations on the following 2 variables.
- x
number of nonconformities (inspection units)
- sample
sample ID
- size
number of computers inspected
References
Montgomery, D.C. (1991) Introduction to Statistical Quality Control, 2nd ed, New York, John Wiley & Sons, pp. 181–182
Examples
data(pcmanufact)
summary(pcmanufact)
plot(pcmanufact$x/pcmanufact$size, type="b")
[Package qcr version 1.4 Index]