[Steps Shown] It is unfortunately all-too-common in reliability studies to assume that all failure data fits a Weibull distribution, particularly in the Big-3 US
Question: It is unfortunately all-too-common in reliability studies to assume that all failure data fits a Weibull distribution, particularly in the Big-3 US auto companies. The data shown (in part) below represents the cycles to failure for an automotive suspension component. Does the data justify using a Weibull distribution with at least 90% confidence? Hint : use Statgraphics/Centurion to determine chi-squared P-values for the normal, exponential, lognormal and Weibull distributions for goodness-of-fit.
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