To find: The difference between Parametric and Non-parametric test primarily in terms of assumptions and data.
Explanation of Solution
In a nonparametric test data is not required to fit a
The information about population parameter is not available in nonparametric test.
Non-parametric test uses data that is often ordinal, meaning it does not rely on numbers, but rather a ranking or order of sorts. Parametric test uses data which is interval or ratio.
The nonparametric test is mainly based on differences in medians. Hence, it is alternately known as the distribution-free test. Whereas, parametric test uses mean as a measure of
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