Important characteristics of χ² test are

I. As a non-parametric test, it is based on frequencies.

II. It is not useful for estimation and to test hypothesis.

III. Can be applied to a complex contingency table

Choose the correct answer from the codes given below :

A I and II only

B I and III only

C II and III only

D I, II and III

Answer & Explanation
Answer:I, II and III

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