Regression A Coach Wants To See The Relationship Between The Statistics Of Practice Games And Official Games Of A Local 1 (47.3 KiB) Viewed 84 times
Regression A Coach Wants To See The Relationship Between The Statistics Of Practice Games And Official Games Of A Local 2 (46.15 KiB) Viewed 84 times
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 14 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 THE 0.70524 0.668395 8.703633 14 (a) The slope of the regression line is OA. 0.713 OB. 4.37 OC. 0.176 OD. 40.203 OC -0.8398 O D. 0.8398 Coefficients Standard t Stat Error 40.20273 8.506861 4.794266 0.713402 0.176384 4.370062 (b) The correlation coefficient is OA. None of the other answers OB. 0.705 OB. H₁ :p #0 OC. H₁ μ = 0 OD. H₁ :p = 0 P-value Lower 95% 0.001366 21.1673 0.002365 0.382046 Upper 95% 60.40101 1.169078 A hypothesis test is done to determine whether the correlation coefficient is significantly different from zera. (c) The alternate hypothesis is OA. H₁B0
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 14 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 OC. H₁: = 0 OD. H₁ p = 0 Statistics *** 0.70524 0.668396 8.703633 14 A not zero OB. zero OC. positive OD. negative Coefficients Standard t Stat Error Lower Upper 95% 95% 40.20273 8.506861 4.794266 0.001366 21.1673 60.40101 0.713402 0.176384 4.370082 0.002365 0.362046 1.169078 (d) The test statistic is OA 4.794 OB. 40.78 OC. None of the other answers OD. 0.362 (e) The degrees of freedom are: OA 14 OB. 11 O C. 13 OD. 12 P-value (f) At the 5% significance level it can be concluded that there is evidence to suggest the correlation coefficient is ←
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