Description

Corn yield trials were performed at four locations in Tennessee in 1999. Data shows the average yields for six hybrids at each of four locations.

Usage

Format

A data frame with 30 observations on the following 3 variables.

Location

a factor with five levels: "Ames.irr", "Ames.un", "Crossvill", "Knoxville" and "Milan"

Hybrid

a factor with six levels: "AsgrowRX799", "Beck5912W", "Cargill7821", "FFR739W", "NorthrupKing" and "Pioneer"

Yield

average yield (bushels per acre)

Source

Ramsey, F.L. and Schafer, D.W. (2002). The Statistical Sleuth: A Course in Methods of Data Analysis (2nd ed), Duxbury.

References

University of Tennessee Agricultural Experiment Station.

Examples