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A hypothesis test is done to determine whether the correlation coefficient is significantly different from zero. (c) The alternate hypothesis is OA. H1 : P

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A hypothesis test is done to determine whether the correlation coefficient is significantly different from zero. (c) The alternate hypothesis is OA. H1 : P = 0 OB. H1 : B # 0 OC. H1 : H = 0 OD. H1 : P # 0(d) The test statistic is O A. None of the other answers B. 4.794 O C. 40.78 O D. 0.362 (e) The degrees of freedom are: O A. 16 O B. 15 O C. 18 O D. 17Regression. A coach wants to see the relationship between the statistics of practice games and official games of a local soccer team. A sample of 18 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 18 Coefficients Standard t Stat P-value Lower Upper Error 95% 95% Intercept 40.78647 8.506861 4.794266 0.001366 21.1673 60.40101 Midterm 0.753525 0.177744 4.376707 0.002365 0.362046 1.169078 . . . . . (a) The slope of the regression line is O A. 0.178 O B. 4.377 O C. 40.786 O D. 0.754(b) The correlation coefficient is O A. -0.8398 O B. None of the other answers O C. 0.8398 O D. 0.705

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