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 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.

  • CreatedSeptember 02, 2015
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