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Please help!! Best Predictor of Winning Percentage. Baseball analysts are constantly trying to find a key number that will predict winning percentage for games played.

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Best Predictor of Winning Percentage. Baseball analysts are constantly trying to find a key number that will predict winning percentage for games played. Below are the runs scored, runs allowed, and winning percentages for several teams in the National League 2010 season. SD Phil Atl SF Chic Flor |LAD Wash Ariz NYM Hou Runs Scored 565 772 738 697 685 719 667 655 713 656 611 Runs Allowed 581 640 629 583 767 717 692 742 836 652 729 Winning Pct. .556 .599 .562 .568 .463 .494 .494 426 .401 488 469 a. Calculate the correlation coefficient for this dataset comparing runs scored with winning percentage and show your work below. Round the answer to 3 decimal places. b. What percentage of the variation in winning percentage is explained by its linear relationship with runs scored? Show your work below. Show below C. Create a regression equation representing the relationship between runs question scored and winning percentage. Round answer values to 2 significant figures. d. Is there significant correlation between runs scored and winning percentage in this data? Show why or why not below. e. Based on the relationship between runs scored and winning percentage, what corresponding winning percentage would you predict for a team that scores 700 runs? Round the answer to 3 decimal places. f. Assuming a valid regression equation, outside what range should you not use the regression equation for predicting winning percentage with this dataset? g. In this problem what is the explanatory variable? (Hint: the answer is a word or words, not a variable name like x or y). WS CorReg.docx 1 of 2

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