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The average moviegoer sees 8.5 movies a year. A random sample of 40 moviegoers from a large university revealed that the average number of movies
The average moviegoer sees 8.5 movies a year. A random sample of 40 moviegoers from a large university revealed that the average number of movies seen per person was 9.2. The population standard deviation is 3.2 movies. At the 0.01 level of significance, can it be concluded that this represents a difference from the national average? A. State the hypotheses and identify the claim with the correct hypothesis. B. Find the critical value(s). C. Compute the test value. D. Make the decision. E. Summarize the results
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