Answer Happy

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 23 players was used and the resulting (partial) Excel output is shown below. Assume both x and y form normal distributions. Regression Multiple R R Square Adjusted R Square Standard Error Observations Intercept Midterm Statistics 0.70524 0.668395 8.703633 23 Coefficients Standard t Stat P-value Lower Error 95% 40.57294 8.506801 4.794256 0.001300 21.1673 60.40101 0.733084 0.178769 4.375999 0.002365 0.362045 1.169070 (a) The slope of the regression line is OA. H₂:0 OB. H₁ p = 0 OC. H₂ :BO OD. H₂ : PO OA. 0.734 OB. 40.573 OC. 0.179 OD. 4.376 (b) The correlation coefficientis OA. 0.8396 OB. 0.8396 OC. None of the other answers OD. 0.706 (c) The alternate hypothesis is (d) The test statistic is OA. 40,78 B. 0.362 OC. 4.794 OD. None of the other answers (e) The degrees of freedom are: Upper OA. 23 OB B. 21 OC. 20 OD. 22 (1) At the 5% significance level it can be concluded that there is evidence to suggest the correlation coefficient is O A. positive OB. not zero OC. negative OD. zero