An antique collector believes that the price received for a particular item increases with its age and the number of bidders. The file P13_18.XLS contains data on these three variables for 32 recently auctioned comparable items.

a. Estimate an appropriate multiple regression model using the given data.

b. Interpret the computer-generated ANOVA table for this model. In particular, does this set of explanatory variables provide at least some power in explaining the variation in price? Report a p-value for this hypothesis test.