The following data set consists of 25 observations on
Chapter 14, Problem 14.22(choose chapter or problem)
The following data set consists of 25 observations on fracture toughness of base plate of 18% nickel maraging steel (from Fracture Testing of Weldments, ASTM Special Publ. No. 381, 1965: 328356). Use the normal probability plot correlation coefficient test to decide whether a normal distributionprovides a plausible model for fracture toughness. 69.5 71.9 72.6 73.1 73.3 73.5 74.1 74.2 75.375.5 75.7 75.8 76.1 76.2 76.9 77.0 77.9 78.179.6 79.7 79.9 80.1 82.2 83.7 93.7
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