The Multiple regression Model 多重回归模型 Relationship between I dependent 2 or more independent variables is a linear function Population Random Population slopes Y-intercept Error Y=Bo+BX+BX2i+ooo+BXoi+ai Y=0+X+b,X2i+000+boXi +ei Dependent(Response) Independent(Explanatory) variable for sample variables for sample modelThe Multiple Regression Model 多重回归模型 Yi X i X i pXpi i =  +  +  +•••+  + 0 1 1 2 2 Relationship between 1 dependent & 2 or more independent variables is a linear function Population Y-intercept Population slopes Dependent (Response) variable for sample Independent (Explanatory) variables for sample model Random Error Yi b b X i b X i bpXpi ei ˆ = 0 + 1 1 + 2 2 +•••+ +