R Dataset / Package DAAG / pair65
Heated Elastic Bands
pair65 data frame has 9 rows and 2 columns.
Eighteen elastic bands were divided into nine pairs, with bands
of similar stretchiness placed in the same pair. One member of
each pair was placed in hot water (60-65 degrees C) for four
minutes, while the other was left at ambient temperature. After
a wait of about ten minutes, the amounts of stretch, under a 1.35 kg
weight, were recorded.
This data frame contains the following columns:
a numeric vector giving the stretch lengths for the heated bands
a numeric vector giving the stretch lengths for the unheated bands
mean(pair65$heated - pair65$ambient) sd(pair65$heated - pair65$ambient)
Dataset imported from https://www.r-project.org.
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