xmp07.15 {Devore6} | R Documentation

## data from Example 7.15

### Description

The `xmp07.15` data frame has 17 rows and 1 columns.

### Format

This data frame contains the following columns:

voltage
  breakdown voltage of electrically stressed circuits

### Details

### Source

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

### Examples

    data(xmp07.15)
    boxplot(xmp07.15, main = "Breakdown voltage")
    with(xmp07.15, qqnorm(voltage, main = "Breakdown voltage"))
    with(xmp07.15, qqline(voltage))
    attach(xmp07.15)
    var(voltage) * (length(voltage) - 1)/
      qchisq(c(0.975, 0.025), df = length(voltage) - 1)
    detach()

[Package Contents]