ex09.78 {Devore6} | R Documentation

## data from exercise 9.78

### Description

The `ex09.78` data frame has 2 rows and 4 columns.

### Format

This data frame contains the following columns:

Group
  a factor with levels `Elderly.men` `Young`
size
  a numeric vector
mean
  a numeric vector
stdError
  a numeric vector

### Details

### Source

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

### Examples

    data(ex09.78)

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