X1_AUDIT X2_COM X3_REWARD Y_TAX 45.00 16.00 71.00 29.00 42.00 14.00 70.00 24.00 44.00 15.00 72.00 27.00 45.00 13.00 71.00 25.00 43.00 13.00 75.00 26.00 46.00 14.00 74.00 28.00 44.00 16.00 76.00 30.00 45.00 16.00 69.00 28.00 44.00 15.00 74.00 28.00 43.00 15.00 73.00 27.00 Copy and paste the above data to Excel. Find the regression of Tax on Audit, Com, and Reward. (If you cannot paste the data to Excel: Right Click the mouse button > Paste Special > Text > OK) What is the regression equation of Tax on Audit, Com, and Reward? What is the standard error of the estimate? Interpret the coefficient of determination. Which independent variable(s) is(are) significant at 5% level of test? Find correlation matrix of the four variables. What is the correlation coefficient between Audit and Com? Interpret the correlation coefficient between Audit and Reward