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1. what is the nonparametric alternative to a 1-sample t-test for mean? 2. what is the...

1. what is the nonparametric alternative to a 1-sample t-test for mean?

2. what is the nonparametric alternative to a 2-sample t-test for mean?

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Answer #1

1. what is the nonparametric alternative to a 1-sample t-test for mean?

The nonparametric alternative to a 1-sample t-test for mean is the 1-sample sign test or 1-sample Wilcoxon signed rank test. The sign test is working same as the one sample t test or z test for checking the hypothesis about single population mean.

2. what is the nonparametric alternative to a 2-sample t-test for mean?

The nonparametric alternative to a 2-sample t-test for mean is the Mann-Whitney test. We use both test for checking the difference between two population means.

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