In a model of Ford s quarterly revenue TotalRevenue 0
In a model of Ford's quarterly revenue TotalRevenue = β0 + β1 CarSales + β2 TruckSales + β3 SUVSales + ε, the three predictors are measured in number of units sold (not dollars).
(a) Interpret each slope.
(b) Would the intercept be meaningful?
(c) What factors might be reflected in the error term? Explain.
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