Sales of? Volkswagen's popular Beetle have grown steadily at auto dealerships in Nevada during the past 5 years? (see table? below).
Year Sales
1 450
2 502
3 516
4 563
5 584
a) Forecasted sales for year 6 using the trend projection? (linear regression) method are 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 the linear regression forecast is sales ?(round your response to one decimal? place).