Price of a bushel of wheat versus the national weekly earnings of production workers

Data for Exercise 2.11

Wheat

Format

A data frame/tibble with 19 observations on three variables

year

year

earnings

national weekly earnings (in dollars) for production workers

price

price for a bushel of wheat (in dollars)

Source

The World Almanac and Book of Facts, 2000.

References

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

Examples

par(mfrow = c(1, 2))
plot(earnings ~ year, data = Wheat)
plot(price ~ year, data = Wheat)

par(mfrow = c(1, 1))