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Click Submit to complete this assessment. Question 8 Calculate test statistic z for testing the claim about mean. Save and Submit Question 8 of 8 1 points Save Answer The average number of movies watched by a population is 8.5 movies with a standard deviation of 3.2 movies. A random sample of 40 persons watched 9.6 movies. Find the test statistic to test the claim that that the sample mean is not different frm the population mean. Use = 0.05. For the toolbar, press ALT+FIO (PC) or ALT+FN+FI O (Mac). Paragraph v Arial v 1 Opt 548 PV ) r. ENG