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Mathematics, 06.05.2021 01:00 diazsindy

SOMEONE HELP! :( What is a characteristic of using a z-test over a t-test?

A)Z-test can only be used when there is a large sample size.

B)Z-test is used when the problem deals with means

C)Z-test is used when the problem deals with proportions

D)Z-test is used when the sample is independent.

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SOMEONE HELP! :( What is a characteristic of using a z-test over a t-test?

A)Z-test c...
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