LED Diodes

The diameter in millimeters for a random sample of 15 diodes from each of the two suppliers is stored in the data frame Leddiode.

Format

A data frame with 15 observations on the following 2 variables:

supplierA

diameter in millimeters of diodes from supplier A

supplierB

diameter in millimeters of diodes from supplier B

Source

Ugarte, M. D., Militino, A. F., and Arnholt, A. T. (2008) Probability and Statistics with R. Chapman & Hall/CRC.

Examples

with(data = Leddiode,
boxplot(supplierA, supplierB, col = c("red", "blue")))