ex11.09 {Devore6} | R Documentation

## data from exercise 11.9

### Description

The `ex11.09` data frame has 36 rows and 3 columns.

### Format

This data frame contains the following columns:

effort
  a numeric vector
Type
  a factor with levels `T1` `T2` `T3` `T4`
Subject
  a numeric vector

### Details

### Source

Devore, J. L. (2003) Probability and Statistics for Engineering and the Sciences (6th ed), Duxbury

### Examples

    data(ex11.09)

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