2. Now build a multiple linear regression using Current Sales as the Y and Competion Index, Population, Affluence, Previous Sales, Open, and Brand Recognition as predictors and select the best answer for the following questions: The overall model is statically significant at the .01 level of Answer 1 significance? How much of the variance in Current Sales is explained by the Answer 2 model? Which variable has the highest p value? Answer 3 The intercept is meaningful in the context of this problem? Answer 4 The model is problematic because it hes non-constant variance: ATowers