LEDDIODE {PASWR2}

LED Diodes

Description

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

Usage

LEDDIODE

Format

A data frame with 30 observations on the following 2 variables:

• diameter (diameter of diode measured in millimeters)

• supplier (factor with levels supplierA and supplierB)

References

Ugarte, M. D., Militino, A. F., and Arnholt, A. T. 2015. Probability and Statistics with R, Second Edition. Chapman & Hall / CRC.

Examples

ggplot(data = LEDDIODE, aes(supplier, diameter)) + geom_boxplot()