us.pop.size {smss}

U.S. Population Size Data

Description

US population size by decade. Table 14.8 of 4th edition.

Format

data.frame with 12 observations of the following 2 variables,

decade

Decade (0=1890, 11=2000)

population

Population (millions)

Source

http://www.stat.ufl.edu/~aa/social/data.html

Examples

data(us.pop.size)
summary(us.pop.size)