Sales of Volkswagen's popular Beetle have grown steadily at auto dealerships in Nevada during the past 5 years? (see table below).
Year Sales
1) 460460
2) 510510
3) 516516
4) 570570
5) 585585
a) Forecasted sales for year 6 using the trend projection? (linear regression) method are nothing 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).
c) The MSE for a linear regression forecast is ____ sales ?(round your response to one decimal place).