The residual is the difference between the actual value of and the estimated value of О а. У; х. O b. X; y. O c. X; X. O d. y; y. The estimated multiple regression equation, based on 34 observations,...

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Extracted text: The residual is the difference between the actual value of and the estimated value of О а. У; х. O b. X; y. O c. X; X. O d. y; y. The estimated multiple regression equation, based on 34 observations, is given by y-hat = 48 + 2.5x1 + 1.2x2 - 0.7x3, where SST = 960 and %3D SSE = 270. What is the value of the F statistic for testing the validity of this model? O a. 22.26 Ob. 25.56 C. 7.94 O d. 28.24


Extracted text: The estimated multiple regression equation, based on 30 observations, is given by y-hat = 5.1 + 1.5x1 + 1.2x2, where SST = 162.1 and SSE = 73.9. What is the value of the F statistic for testing the validity of this model? O a. 2.737 O b. 44.10 O c. 5.49 O d. 16.11 You believe there is a positive correlation between the grades students gets on their first and second midterms and want to explore this relationship. The appropriate decision rule is to reject Ho if... O a. r(n- 2)/V> tn-2,a/2 O b. rin - 2)/ (1 -R)> tn-2,a O c. 2 LNR > In-2,a d. r(n-2)/ > tn-2,a