1. To conduct a one-sided hypothesis test of the claim that houses located on corner lots (corner-lot houses) have higher average selling prices than those located on non-corner lots, which of the following alternative hypotheses should be used?
A. The average selling price of a corner-lot house is higher than it is commonly believed to be.
B. The average selling price of a corner-lot house is higher than the average selling price of all houses.
C. The average selling price of a corner-lot house is the same as the average selling price of a house not located on a corner lot.
D. The average selling price of a corner-lot house is higher than the average selling price of a house not located on a corner lot.
2. The regression analysis at the bottom relates average annual per capita beef consumption (in pounds) and the independent variables "average annual per capita pork consumption" (in pounds) and "average annual beef price" (in dollars per pound). Which of the independent variables is significant at the 0.01 level?
Beef price only
Pork consumption only
Both independent variables
Neither independent variable