Application and Reasoning Problems

10.4. Using full regression equation for the Price of a laptop, based on your work in the previous problems:

1. What is the predicted price of each of the following types of laptops?

   Model of Laptop	Equation to Predict Price
   Sony
   Compaq
   Hp
   Toshiba

2. Explain how a computer brand’s weight affects its price. Do heavier computer brands cost more? Or less?

10.5. Interpret the following model related to the laptop prices in the previous example: