Score: 0 of 3 pts Problem 4.16 Sales of Volkswagen's popular Beetle have grown steadily at auto dealerships in Nevada during the past 5 years (see table below). Year 1 2 3 4 5 Sales 455 502 520 575 580 a) Forecasted sales for year 6 using the trend projection (linear regression) method are 623.3 sales (round your response to one decimal place). b) The MAD for a linear regression forecast is sales (round your response to one decimal place). Enter your answer in the answer box and then click Check Answer 1 part remaining Clear All