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    parametric and nonparametric hypothesis test

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    1. Can the formal hypothesis testing approach be used for non parametric tests?

    a) How are parametric and nonparametric statistics different?
    b) How are parametric and nonparametric statistics similar?

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    Solution Preview

    A formal hypothesis testing approach can be used for non parametric tests only if the sample size is large ( bigger than 30). This is due the central limit theorem: If the sample size is big, then the distribution is approximately normal. Otherwise, we need to carry out non parametric tests.

    a) A parametric test is a test that requires a ...

    Solution Summary

    Explains the differernces and similarities between parametric and nonparametric statistics.

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