Reconsider the previous four exercises and the Legos data file.
a. Determine the predicted price for a product with 500 pieces.
b. Determine the predicted price for a product with 1,500 pieces.
c. Determine the difference between the two predictions in parts (a) and (b). Also indicate how you could have determined this value directly from the equation of the least squares line.
d. Determine the predicted price for a product with 5,000 pieces.
e. Do you feel very confident with this prediction in part (e)? Explain why or why not.