Sales of Volkswagens have grown steadily at auto dealerships in Nevada during the past 5 years...

 

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Sales of Volkswagens have grown steadily at auto dealerships in Nevada during the past 5 years (see table below). Year 1 2 3 4 5 Sales 455 510 518 575 590 a) Forecasted sales for year 6 using the trend projection (linear regression) method are 630.1 sales (round your response to one decimal place). b) The MAD for a linear regression forecast is 10.3 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). Sales of Volkswagens have grown steadily at auto dealerships in Nevada during the past 5 years (see table below). Year 1 2 3 4 5 Sales 455 510 518 575 590 a) Forecasted sales for year 6 using the trend projection (linear regression) method are 630.1 sales (round your response to one decimal place). b) The MAD for a linear regression forecast is 10.3 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).

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a Using linear regression we can model the sales data as follows Sales a bYear Where a is the interc... View the full answer