Weights of drums before and after filling
Weights of drums before and after being filled with a chemical product.
A data frame with 30 observations on the following 3 variables.
numbera numeric vector
emptya numeric vector
fulla numeric vector
These data were collected to study a filling process that filled drums of material based on an assumed weight of the empty drum.
Peter R. Nelson, Marie Coffin and Karen A. F. Copeland (2003), Introductory Statistics for Engineering Experimentation, Elsevier. (Appendix A)
str(drums)
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