ex11.15: R Data set: ex11.15

Description Usage Format Details Source Examples

Description

The ex11.15 data frame has 18 rows and 4 columns.

Usage

1

Format

A data frame with 18 observations on the following 4 variables.

Sand

a factor with levels 0 15 30

Carbon

a factor with levels 0 0.25 0.5

Hardness

a numeric vector

Strength

a numeric vector

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

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2

Devore7 documentation built on May 1, 2019, 7:07 p.m.