Question 4.150

52. Video Game Sales. Refer to your work in Exercise 37.

  1. Compute the predicted total sales for a video game that has been on the list for 27 weeks.
  2. Find the predicted total sales for a video game that has been on the list for 10 weeks.
  3. Calculate the prediction error for NBA 2K14. Does NBA 2K14 lie above or below the regression line? How can we tell?
  4. Calculate the prediction errors for Titanfall for Xbox One and Yoshi’s New Island for 3DS. Where do each of these games lie in the scatterplot, with respect to the regression line? Where do these games fall with respect to each other?