Prepare a written response to the following questions.
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11. List the five steps of hypothesis testing, and explain the procedure and logic of each.
14. Based on the information given for the following studies, decide whether to reject the null hypothesis. Assume that all populations are normally distributed. For each, give:
a. The Z-score cutoff (or cutoffs) on the comparison distribution at which the null hypothesis should be rejected.
b. The Z-score on the comparison distribution for the sample score.
c. Your conclusion.
|p||Tails of Tests|
|A||5||1||7||0.05||1 (high predicted)|
|C||5||1||7||0.01||1 (High predicted)|
a. Using the .01 level, what should the researcher conclude? Solve this problem explicity using all five steps of hypothesis testing, and illustrate your answer with a sketch showing the comparison distribution, the cutoff (or cutoffs), and the score of the sample on this distribution.
Explain your answer to someone who has never had a course in statistics (but who is familiar with mean, standard deviation, and Z scores).
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