Hypothesis tests for a mean using the critical value method

Hypothesis tests for a mean using the critical value method require:

specifying in advance.

knowing the true value of .

sampling a normal population.

specifying in advance.

Solution

Hypothesis test for a mean using the critical value method will always require the \"level of significance : alpha \" in advance. So, that we can get the area of rejection and non-rejection to make the decision for the test.