Question: The equation for regression analysis is Y = a + bX. So if ABC Company uses regression analysis to forecast sales, where the dependent variable

The equation for regression analysis is Y = a + bX. So if ABC Company uses regression analysis to forecast sales, where the dependent variable Y=Sales; the line intercept a=$8,000; the slope or coefficient b=3,000; and the independent variable X is equal to years 1,2,3,4,5, etc; then the regression model predicts sales in year 1 of $11,000 [=$8,000 + $3,000x1]. What is the sales forecast in year 4?

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