A sales manager for an advertising agency believes there is a relationship between the number of contacts that a salesperson makes and the amount of sales dollars earned. A regression ANOVA shows the following results. ANOVA df SS MS F Significance F Regression 1.00 13, 565. 17 13, 565. 17 156. 38 0.00 Residual 8. 00 683. 79 86. 68 Total 9. 00 14, 248. 96 What is the value of the coefficient of correlation? Multiple Choice O +0.6320 +0.9757 O -0.9757 n +0 9516A sales manager for an advertising agency believes there is a relationship between the number of contacts that a salesperson makes and the amount of sales dollars earned. A regression ANOVA shows the following results. ANOVA df 55 MS F Significance F Regression 1.00 13,555.42 13,555.42 156.38 0.00 Residual 8. 00 693. 48 86 . 72 Total 9.00 14,248.90 What is the value of the standard error of estimate? Multiple Choice . 9.3.2 O 8.780 O 8.330 Given the least squares regression equation, Y= 1,226 + 1,157X, when X= 3, what does Y equal? Multiple Choice O 5,854 O 8,144 4,697 O 4,122