Solved: For Exercises 5 through 18, perform each of the following steps. a. State the
Chapter 8, Problem 12(choose chapter or problem)
For Exercises 5 through 18, perform each of the following steps. a. State the hypotheses and identify the claim. b. Find the critical value(s). c. Find the test value. d. Make the decision. e. Summarize the results. Use the traditional method of hypothesis testing unless otherwise specified. Assume that the population is approximately normally distributed.Income of College Students Parents A large university reports that the mean salary of parents of an entering class is $91,600. To see how this compares to his university, a president surveys 28 randomly selected families and finds that their average income is $88,500. If the standard deviation is $10,000, can the president conclude that there is a difference? At a 0.10, is he correct?
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