Q 1.If a data set of 10 observations is used in a multiple regression analysis with 10 independent variables, then . 2.A manager at a local bank analyzed the relationship between monthly salary and three independent variables: length of service (measured in months), gender (0 = female, 1 = male) and job type (0 = clerical, 1 = technical). The following ANOVA summarizes the regression results: 3.The best example of a null hypothesis for a global test of a multiple regression model is . 4.The variance inflation factor can be used to reduce multicollinearity by . 5.All other things being held constant, what is the change in the dependent variable for a unit change in X1 for the multiple regression equation: ? = 5.2 + 6.3X1 - 7.1 X2?