Life {BSDA}

Life expectancy of men and women in U.S.

Description

Data for Exercise 1.31

Usage

Life

Format

A data frame/tibble with eight observations on three variables

year

a numeric vector indicating year

men

life expectancy for men (in years)

women

life expectancy for women (in years)

Source

National Center for Health Statistics.

References

Kitchens, L. J. (2003) Basic Statistics and Data Analysis. Pacific Grove, CA: Brooks/Cole, a division of Thomson Learning.

Examples

plot(men ~ year, type = "l", ylim = c(min(men, women), max(men, women)), 
    col = "blue", main = "Life Expectancy vs Year", ylab = "Age", 
    xlab = "Year", data = Life)
lines(women ~ year, col = "red", data = Life)
text(1955, 65, "Men", col = "blue")
text(1955, 70, "Women", col = "red")