A multiple regression analysis has been performed to determine what factors are

Question

A multiple regression analysis has been performed to determine what factors are good predictors of student performance on a Microsoft certification exam. There were a total of n-47 students taking the exam. The analysts included k7 Xvariables in their model. Part of the ANOVA output is: d.f MS F value Source Regression? 1468.917 MS(Regression)?? F-?? Residua 47-?-1 1385.908 MS(Residual)?? Total n -1-46 SS(Total)?? All of the quantities denoted by? or?? can be derived from the given information. What is the value of the F statistic in the analysis? Note: Express your answer with two decimal places. Do not let yourself be concerned if Canvas pads this by adding zeros.

Explanation / Answer

regression df =k-1=7-1 =6

residual df =N-k =47-6-1 =40

also as MS =SS/df

hence

F test statistic =7.07

source df SS MS F value regression 6 1468.917 244.82 7.07 residual 40 1385.908 34.65 total 46 2854.825

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