Data for Exercise 1.128

Indiapol

Format

A data frame/tibble with 39 observations on two variables

year

the year of the race

speed

the winners average speed (in mph)

Source

The World Almanac and Book of Facts, 2000, p. 1004.

References

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

Examples


plot(speed ~ year, data = Indiapol, type = "b")