Whiting, Indiana, leads the Top 100 Cities with the Oldest Houses list with the average age of

Whiting, Indiana, leads the €œTop 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 α = 0.05, can it be concluded that the houses in Whiting are older? Use the P-value method.

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.

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Whiting Franklin Mean age Standard deviation 62.1 years 5.4 years 55.6 years 3.9 years