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    Comparison of the power of the tests: Parametric test versus Non-parametric test

    How can one compare using a simple experimentation or simulation whether a parametric test (e.g. t-test) is more powerful than its non-parametric counterpart (Wilcoxon signed rank test)? I understand that statistical power is defined as the probability of rejecting the null hypothesis when it...
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    Making statistical inference considerations

    May I ask what are the considerations in making statistical inference? I have the following ideas in my mind, but I am not sure what are really the necessary considerations: • random sample from the population of interest • performance of experiment in accordance with certain principles •...