what is the MAD and MSE for a linear regresssion forcast.

ales of Volkswagen's popular Beetle have grown steadily at auto dealerships in Nevada during the past 5 years (see ble below). 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 ona decimal place)