Refrigerator {PASWR} | R Documentation |
Thirty 18 cubic feet refrigerators were randomly selected
from a company's warehouse. The first fifteen had their motors modified
while the last fifteen were left intact. The energy consumption
(kilowatts) for a 24 hour period for each refrigerator was recorded and
stored in the data frame Refrigerator
. The refrigerators
with the design modification are stored in the variable modelA
,
and those without the design modification are stored in the variable
modelB
.
Refrigerator
A data frame with 30 observations on the following 2 variables.
modelA
modelB
Ugarte, M. D., Militino, A. F., and Arnholt, A. T. (2008) Probability and Statistics with R. Chapman & Hall/CRC.
attach(Refrigerator) boxplot(modelA,modelB) detach(Refrigerator)