penny_ages {openintro}R Documentation

Penny Ages

Description

Sample of pennies and their ages. Taken in 2004.

Usage

penny_ages

Format

A data frame with 648 observations on the following 2 variables.

year

Penny's year.

age

Age as of 2004.

Examples


hist(penny_ages$year)

[Package openintro version 2.5.0 Index]