Please help with statistics question!

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Is it true that parametric tests are generally more powerful than nonparametric tests? If so, give two reasons why you might choose to use a nonparametric test instead of a parametric test.

Jul 2nd, 2015

Thank you for the opportunity to help you with your question!

yes parametric tests are more powerful than non parametric tests since they take into considerations all the statistical assumptions necessary to carry out a specific test.

the reason why you might choose to use a non parametric test is when you have a data that is not heteroscedastic and does not follow a particular distribution



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Jul 2nd, 2015

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