Pizza sales and price, part 2. For the data in Exercise 31, the average Sales was 52,697

Question:

Pizza sales and price, part 2. For the data in Exercise 31, the average Sales was 52,697 pounds (SD = 10,261 pounds), and the correlation between Price and Sales was = —0.547. If the Price in a particular week was one SD higher than the mean Price, how much pizza would you predict was sold that week?