ex09.76 {Devore7} | R Documentation

## R Data set: ex09.76

### Description

The `ex09.76` data frame has 6 rows and 4 columns.

### Usage

    data(ex09.76)

### Format

A data frame with 6 observations on the following 4 variables.

`C1`
  a factor with levels `` `C1` `Clean` `Site` `Steam plant`
`C2`
  a factor with levels `` `8` `9` `C2` `Sample` `size`
`C3`
  a factor with levels `` `11` `18` `C3` `concentration` `Mean log`
`C4`
  a factor with levels `4.6` `4.9` `C4` `concentration` `of log` `SD`

### 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(ex09.76)
    str(ex09.76)

[Package Devore7 version 0.7.1 Index]