e-Statistics > Textbook Data Sets

Tensile strength

Tensile strength in pound-force per square inch of Kraft paper (used in brown paper bags) for various amounts of hardwood contents in the paper pulp.
A data frame with 19 observations on the following 3 variables.
  1. strength : tensile strength in pound-force per square inch
  2. hardwood : hardwood content
  3. square.hardwood : square of hardwood
G. Joglekar and J. H. Schuenemeyer and V. LaRiccia (1989). Lack-of-Fit Testing When Replicates Are Not Available. The American Statistician. 43:135-143.

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