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Question 3 ) The following ANOVA table contains the decompositions of the Regression sum of squares (SSR). There are three independent variables. SS DF Source of variation REGRESSION MS 310515.346 155274.29 305511.44 470760.31 3747.709 X/X, X ERROR TOTAL 1118931.50 53 Compute the following: ) Complete the table by filling in the values of A-J. i) SSR(X, X,). i) SSR(X, X,/X;) b) Use the data provided in the ANOVA table in Question 3(a) above to test whether X, can be dropped from the regression model given that X, and X, are retained using a = 0.05. [10+6+6+8=30 Marks]
Question 3 ) The following ANOVA table contains the decompositions of the Regression sum of squares (SSR). There are three independent variables. SS DF Source of variation REGRESSION MS 310515.346 155274.29 305511.44 470760.31 3747.709 X/X, X ERROR TOTAL 1118931.50 53 Compute the following: ) Complete the table by filling in the values of A-J. i) SSR(X, X,). i) SSR(X, X,/X;) b) Use the data provided in the ANOVA table in Question 3(a) above to test whether X, can be dropped from the regression model given that X, and X, are retained using a = 0.05. [10+6+6+8=30 Marks]
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ahmadaliLv1
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