ex11.40 {Devore7}

R Data set: ex11.40

Description

The ex11.40 data frame has 32 rows and 5 columns.

Usage

data(ex11.40)

Format

A data frame with 32 observations on the following 5 variables.

sizing

a numeric vector

conc

a factor with levels 50 75

pH

a factor with levels 6 7

tempture

a factor with levels 60 70

time

a factor with levels 6 8

Details

Consult the web site http://www.thomsonedu.com/statistics/devore for additional online resources that are available for this book.

Source

Devore, J. L. (2008) Probability and Statistics for Engineering and the Sciences (7th Edition), ISBN-10: 0495382175 ISBN-13: 9780495382171

Examples

data(ex11.40)
str(ex11.40)