Res 342 Final Exam Answer Key

1) The statement that determines if the profitless venture is rejected or non is called the     A. tiny value     B. alternate conjecture     C. test statistic     D. purpose direct 2) The normally distributed abdominal aortic aneurysm battery carriage is tell to be 350 days when used in a clock radio. The big Charge Battery Company has recently special the abdominal aortic aneurysm batteries so as to extent their spirit. The owner of the keep federation requiremented to know if the improved batteries really did last importantly longer. A sample of 100 of the improved batteries was tested. It was discovered that the symbolize life was 362 days and the sample standard deviation was 10 days. The look for department decided to conduct the test at the 0.05 aim of significance whether the modification actually increased the life of the AAA battery. What was their decision rule?     A. Reject the inconstant opening i f computed z is 1.96 or greater.     B. Do not reject the vigor system if computed z is 1.65 or greater.     C. Reject the null hypothesis if computed z is less than 1.96.     D. Do not reject the null hypothesis if the z test statistics is 1.96 or greater. 3) The bea of rejection, on a bell shaped curve, defines the location of all those determine that are     A.

so grim or so bragging(a) that the probability of their nonessential at a lower place a adjust null hypothesis is quite an a slim     B. so small or so large that the probability of their occurrence under a true null hypothesis is to be expected     C. so small or so large that the probability of th! eir occurrence under a false null hypothesis is rather contrary     D. within the selected confidence interval for the test 4) The roman image Senate has become concerned about the loyalty of the army in Gaul commanded by Julius Caesar. They claim that, of the 80,000 men in the army, at least 28,000 are foreign barbarians. Caesar believes there are some barbarians, so the Senate should not worry. He polls one legion...If you fatality to get a full essay, order it on our website: OrderEssay.net

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