Tensile strength

Description

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.

Format

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.hwd : square of hardwood

Original Data

paperstr.txt (R code file paperstr.R is accompanied by this original data.)

Source

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.