openintro (version 2.0.0)

ball_bearing: Lifespan of ball bearings

Description

A simulated data set on lifespan of ball bearings.

Usage

ball_bearing

Format

A data frame with 75 observations on the following variable.

life_span

Lifespan of ball bearings (in hours).

Examples

# NOT RUN {
library(ggplot2)

ggplot(ball_bearing, aes(x = life_span)) +
  geom_histogram(binwidth = 1)

qqnorm(ball_bearing$life_span)

# }