Reconsider the previous five exercises and the Legos data file. The last product listed in the data file has 415 pieces and a price of $49.99.
a. Determine the predicted price for such a product.
b. Determine the residual value for this product.
c. Interpret what this residual value means.
d. Does the product fall above or below the least squares line in the graph? Explain how you can tell, based on its residual value.