l The Multiple regression model ● Probabilistic model Bo+β1x1+β2x2+…+Bkx+ where yi=a value of the dependent variable, y Bo= the y-intercept Mli air., ki= individual values of the independent variables, xl x2,.,x B1,B2灬…,Bk= the partial regression coefficients for the independent variables, x1x,.,k Ci= random error, the residual o 2002 The Wadsworth GroupThe Multiple Regression Model • Probabilistic Model yi = b0 + b1x1i + b2x2i + ... + bkxki + ei where yi = a value of the dependent variable, y b0 = the y-intercept x1i , x2i , ... , xki = individual values of the independent variables, x1 , x2 , ... , xk b1 , b2 ,... , bk = the partial regression coefficients for the independent variables, x1 , x2 , ... , xk ei = random error, the residual © 2002 The Wadsworth Group