Question 5 (of 30) value 3.33 points MC Qu. 54 A manager uses regression to express... A manager uses regression to express sales as a function of advertising expenditures (Xi) and per capita income (Xa) in your sales orea The following mutple i Y = 10 + . 51x1 + 45x2 The coefficient of determination is 96 Determine which of the following conclusions is velid reg O More analysis is needed The coefficient of cetermination leaves much unexplained. O The regression line fts the dato used in the sample O The coefficient of determination is positive becouse the constant term is pos tive O The coefficient of determination should always be greater then one s with sales