Circuit Design Lifetime

CircuitDesigns contains the results from an accelerated life test used to estimate the lifetime of four different circuit designs (lifetimes in thousands of hours).

Format

A data frame with 26 observations on the following 2 variables:

lifetime

lifetimes in thousands of hours

design

a factor with levels Design1, Design2, Design3, and Design4

Source

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

Examples

bwplot(design ~ lifetime, data = CircuitDesigns)