For Exercises 1 through 11, perform each of these steps. Assume that all variables are

Chapter 9, Problem 5

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For Exercises 1 through 11, perform each of these steps. Assume that all variables are normally or approximately normally distributed. a. State the hypotheses and identify the claim. b. Find the critical value(s). c. Compute the test value. d. Make the decision. e. Summarize the results. Use the traditional method of hypothesis testing unless otherwise specified.Ages of Homes Whiting, Indiana, leads the Top 100 Cities with the Oldest Houses list with the average age of houses being 66.4 years. Farther down the list resides Franklin, Pennsylvania, with an average house age of 59.4 years. Researchers selected a random sample of 20 houses in each city and obtained the following statistics. At a 0.05, can it be concluded that the houses in Whiting are older? Use the P-value method. Whiting Franklin Mean age 62.1 years 55.6 years Standard deviation 5.4 years 3.9 years