Description

Moisture level versus type of rail car

Format

A data frame with 17 observations on the following 2 variables.

type

a factor with levels A B

moisture

a numeric vector

Details

Rail cars are used to ship bulk product to customers. A company has two primary styles of cars that it uses for a product that has specific moisture specifications. A customer was seeing variability in the moisture levels of the product when it reached their site.

References

Peter R. Nelson, Marie Coffin and Karen A. F. Copeland (2003), Introductory Statistics for Engineering Experimentation, Elsevier. (Appendix A)

Examples