# parametric and nonparametric hypothesis test

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?

https://brainmass.com/statistics/hypothesis-testing/204790

#### 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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