quiz/attempt.php?attempt=7068988&cmid=1623773&page=2 A multiple linear regression model is fitted for Y on X1, X2 and X3. Consider the Excel output below. / 'n Meervoudige lineere regressie model vir Y word op X1, X2 en X3 gepas. Beskou die Excel afvoer hieronder. X1 X2 X3 Y X1 1 X2 0.302 X3 0.662 0.530 0.737 0.857 0.720 1 SUMMARY OUTPUT Regression Statistics Multiple R 0.993 R Square 0.985 Adjusted R Square 0.977 Standard Error 2.944 Observations 9 ANOVA SS MS F Significance F Regression 2931.317 977.106 112.769 0.000 Residual 43.323 8.665 Total 2974.640 Coefficients Standard Error t Stat P-value Lower 95% Upper 95% Intercept 94.661 9.979 -9.486 0.000 -120.313 69.009 X1 2.788 0.385 7.248 0.001 1.799 3.777 X2 1.075 0.099 10.899 0.000 0.821 1.328 X3 0.019 0.329 0.057 0.956 -0.827 0.865 Choose all the correct options below (wrong answers will be negatively marked): / Kies al die regte opsies hieronder (verkeerde opsies sal negatief gemerk word); Select one or more