Price of a bushel of wheat versus the national weekly earnings of production workers
Data for Exercise 2.11
Wheat
A data frame/tibble with 19 observations on three variables
year
national weekly earnings (in dollars) for production workers
price for a bushel of wheat (in dollars)
The World Almanac and Book of Facts, 2000.
Kitchens, L. J. (2003) Basic Statistics and Data Analysis. Pacific Grove, CA: Brooks/Cole, a division of Thomson Learning.
par(mfrow = c(1, 2)) plot(earnings ~ year, data = Wheat) plot(price ~ year, data = Wheat) par(mfrow = c(1, 1))
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