ex01.12 {Devore5}R Documentation

data from exercise 1.12

Description

The ex01.12 data frame has 129 rows and 1 columns.

Format

This data frame contains the following columns:

rate
a numeric vector of shower-flow rates (L/min)

Details

The shower-flow rates for a sample of houses in Perth, Australia.

Source

Devore, J. L. (2000) Probability and Statistics for Engineering and the Sciences (5th ed), Duxbury

James, I. R. and Knuiman, M. W. (1987) An application of Bayes methodology to the analysis of diary records in a water use study. Journal of the American Statistical Association, 82, 705–711.

Examples

data(ex01.12)
attach(ex01.12)
boxplot(rate, main = "Boxplot of rate", ylab = "rate")
summary(rate)
stem(rate)   # stem-and-leaf plot
hist(rate, xlab = "Shower-flow rate (L/min)")
hist(rate, prob = TRUE,  # histogram on probability scale
     xlab = "Shower-flow rate (L/min)")
lines(density(rate, bw = 1), col = "blue")
rug(rate)    # add the observations as a rug
detach()