Saturday

February 28, 2015

February 28, 2015

Posted by **sue** on Tuesday, July 27, 2010 at 7:32pm.

• What is the difference between a critical value and a test statistic?

• Decide whether you should use a normal sampling distribution or a t-sampling distribution to perform the hypothesis test.

• Why would you use a z-test rather than a t-test?

• Which do you think you will use more often? Justify your decisions.

• Then use the distribution to test the claim.

• Write a short paragraph about the results of the test and what you can conclude about the claim.

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