Math, asked by rajs8186, 1 year ago

What does a z-test measure?

Answers

Answered by Nainaojha

A Z-test is any statistical test for which the distribution of the test statistic under the null hypothesis can be approximated by a normal distribution.

Therefore, many statistical tests can be conveniently performed as approximate Z-tests if the sample size is large or the population variance is known.

Answered by amanchakrawarty

A Z-test is any statistical test for which the distribution of the test statistic under the null hypothesis can be approximated by a normal distribution. ... Therefore, many statistical tests can be conveniently performed as approximate Z-tests if the sample size is large or the population variance is known.

hope it's useful....

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