xmp11.11 {Devore7} | R Documentation

## R Data set: xmp11.11

### Description

The `xmp11.11` data frame has 36 rows and 4 columns.

### Usage

    data(xmp11.11)

### Format

A data frame with 36 observations on the following 4 variables.

`abrasion`
  a numeric vector
`row`
  an ordered factor with levels `1` < `2` < `3` < `4` < `5` < `6`
`column`
  an ordered factor with levels `1` < `2` < `3` < `4` < `5` < `6`
`humidity`
  a factor with levels `25 percent` `37 percent` `50 percent` `62 percent` `75 percent` `87 percent`

### 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(xmp11.11)
    str(xmp11.11)

[Package Devore7 version 0.7.1 Index]