In a test of hypothesis for a mean, which statement is CORRECT? As long as the p

Question

In a test of hypothesis for a mean, which statement is CORRECT? As long as the population distribution consists only of positive values, sample size does not matter. The population must be normal because that is the only case when the sample mean is Normally distributed. The population distribution can be any distribution because the sample mean is always Normally distributed. The test requires that the sample mean is normally distributed; this requires that either the population distribution is Normal or the sample size exceeds 30.

Explanation / Answer

the correct statement is no one,

All are partially true.

the most favorable answer is the 4th one.

"The test requires that the sample mean is normally distributed; this requires that either the population distribution is Normal or the sample size exceeds 30."

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