hich statement is incorrect? Nonparametric tests are sometimes called distributi

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hich statement is incorrect? Nonparametric tests are sometimes called distribution-free tests because they are based on fewer assumptions (e.g., they do not assume that the outcome is approximately normally distributed). O Parametric tests involve specific probability distributions (e.g, the normal distribution) @ In nonparametric tests, the hypotheses are about population parameters (eg., ? 50 or ?.-Hz). The cost of fewer assumptions is that nonparametric tests are generally less powerful than their parametric counterparts (i.e., when the alternative is true, they may be less likely to reject Hol.

Explanation / Answer

Incorrect Statement: Option (C)

since in non paramter tests, there is no parameters and no assumption on the paramters of the population.
But given Mu = 50 or mu1 = mu2 so these notations are related to parametric tests

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