Answer: The compressive strength of an alloy fastener used
Chapter 11, Problem 11-81(choose chapter or problem)
The compressive strength of an alloy fastener used in aircraft construction is being studied. Ten loads were selected over the range 2500 4300 psi and a number of fasteners were tested at those loads. The numbers of fasteners failing at each load were recorded. The complete test data follow.Load, x (psi) Sample Size, n Number Failing, r 2500 50 10 2700 70 17 2900 100 30 3100 60 21 3300 40 18 3500 85 43 3700 90 54 3900 50 33 4100 80 60 4300 65 51 (a) Fit a logistic regression model to the data. Use a simple linear regression model as the structure for the linear predictor. (b) Is the logistic regression model in part (a) adequate?
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