Tag Archives: z-test

Compare and contrast t-test and z-test. Once done, determine which one is appropriate for the experiment given the fact that the sample size is less than 30.

Step 1: Set Up Null and Alternative Hypotheses Based on the request description, explain if a one-tailed or two-tailed test is needed. If a one-tailed test is needed, is it a left or right-tailed test? Please explain why one alternative is better than the other. State both of the following hypotheses: Null hypothesis Alternative hypothesis […]