when you lack a good sampling frame QUESTION 25 2.5 pol If Y, Y1 and Y2 are possible dependent variables and X1, X2 and X3 are appropriate independent variables, which of the following is the general expression of the line in the multiple regression model? b1Y1 + b2Y2 =b3X1 + b^x12 +b3X3 O Y = a + b1X1 + b2X2 + b3X3 X3 = (1 + Y)/(61X1 + b2X2) (7)(b1X1) = a +b2x2 +b3X3 2.5 point QUESTION 26 You used a test market to evaluate whether a new formulation of your brand of shampoo sells better than the old one. In setting up a test of hypothesis to evaluate the results, the null hypothesis Ho would be: Sales of the new formulation are higher than sales for the old formulation. The new formulation is not successful. Sales of the new formulation are lower than or equal to sales of the old formulation, Sales of the new formulation meet the target. I Save Save All Answers Click Save and Submit to save and submit. Click Save All Answers to save all answers