Question

Distinguish between the following: z-test & t-test.
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Answer 1

Explanation:

T-test refers to a type of parametric test that is applied to identify, how the means of two sets of data differ from one another when variance is not given. Z-test implies a hypothesis test which ascertains if the means of two datasets are different from each other when variance is given.

Answer 2

Answer:

T-test refers to a type of parametric test that is applied to identify, how the means of two sets of data differ from one another when variance is not given...

Z-test implies a hypothesis test which ascertains if the means of two datasets are different from each other when variance is given...

Hope it helps u....