Data frame from accelerated testing of tyre rubber.
the abrasion loss in gm/hr.
the hardness in Shore units.
tensile strength in kg/sq m.
O.L. Davies (1947) Statistical Methods in Research and Production. Oliver and Boyd, Table 6.1 p. 119.
O.L. Davies and P.L. Goldsmith (1972) Statistical Methods in Research and Production. 4th edition, Longmans, Table 8.1 p. 239.
Venables, W. N. and Ripley, B. D. (1999) Modern Applied Statistics with S-PLUS. Third Edition. Springer.