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| Teaching Since: | May 2017 |
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MCS,PHD
Argosy University/ Phoniex University/
Nov-2005 - Oct-2011
Professor
Phoniex University
Oct-2001 - Nov-2016
Carry out a simulation experiment using a statistical computer package or other software to study the sampling distribution of
 when the population distribution is Weibull with a = 2 and b = 5, as in Example 5.20. Consider the four sample sizes n = 5, 10, 20, and 30, and in each case use 1000 replications. For which of these sample sizes does the X sampling distribution appear to be approximately normal?
Example 5.20 Suppose that material strength for a randomly selected specimen of a particulartype has a Weibull distribution with parameter values α = 2 (shape) and ß = 5(scale). The corresponding density curve is shown in Figure 5.7. Formulas fromSection 4.5 give

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