Data for Exercises 2.5, 2.24, and 2.55

Energy

Format

A data frame/tibble with 12 observations on two variables

size

size of home (in square feet)

kilowatt

killowatt-hours per month

References

Kitchens, L. J. (2003) Basic Statistics and Data Analysis. Pacific Grove, CA: Brooks/Cole, a division of Thomson Learning.

Examples


plot(kilowatt ~ size, data = Energy)

with(data = Energy, cor(size, kilowatt))
#> [1] 0.9397546
model <- lm(kilowatt ~ size, data = Energy)
plot(Energy$size, resid(model), xlab = "size")