| tensile {EngrExpt} | R Documentation |
The breaking strength of samples of steel that were stress tested.
This data set is called break in Nelson, Coffin and Copeland
(2003). We changed the name because break is a reserved word
in R.
A data frame with 18 observations on the following variable.
bstrengthPeter R. Nelson, Marie Coffin and Karen A. F. Copeland (2003), Introductory Statistics for Engineering Experimentation, Elsevier. (Appendix A)
str(tensile)
qqmath(~ bstrength, tensile, aspect = 1,
xlab = "Standard normal quantiles",
ylab = "Breaking strength of steel samples (unknown units)")