Regression. A coach wants to see the relationship between the statistics of practice games and official games of a local soccer team. A sample of 10 players was used and the resulting (partial) Excel output is shown below. Assume both x and y form normal distributions. Regression Statistics Multiple R R Square 0.70524 Adjusted R Square 0.668395 Standard Error 8.703633 Observations 10\f(a) The slope of the regression line is O A. 4.373 O B. 0.178 O C. 0.718 O D. 40.251 (b) The correlation coefficient is O A. None of the other answers O B. 0.8398 O C. -0.8398 O D. 0.705 A hypothesis test is done to determine whether the correlation coefficient is significantly different from zero.is} The alternate hypothesis is [:1 A. H1 : [3 9E [II [:1 E. H1 1|; = [II [:1 C. H1 : p = [J [:JD. H11pa [d] The test statistic is [:1 A. 4th.}? [:1 E. None at the other answers [:1 C. 4.?94 [:1 D. [1.352 (e) The degrees of freedom are: OA. 8 O B. 10 OC. 7 OD. 9 (f) At the 5% significance level it can be concluded that there is evidence to suggest the correlation coefficient is O A. not zero O B. zero O C. negative O D. positive