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QUESTION 9 Donna wonders whether baseball players who get more hits are also more likely to strike out. She collects the following information for a
QUESTION 9 Donna wonders whether baseball players who get more hits are also more likely to strike out. She collects the following information for a sample of players from the Cardinals from www.mlb.com: Hits Strike Outs 151 96 138 168 177 136 70 103 144 152 98 85 168 95 111 79 78 63 26 28 19 46 35 77 Let x = Hits and y = Strike Outs.a. using your calculator, determine each of the following summary values, rounded to the nearest whole amount. (8 points) O X = o SX O V = o Sy b. Determine r to the nearest ten-thousandth. (2 points) r= c. What percent of the variation in Strike Outs is explained by the least-squares regression line? Round your answer to the nearest tenth of a percent. (3 points) Answer: Work/Explain: d. Determine the slope of the least-squares regression line to the nearest thousandth. (3 points) slope =e. Determine the y-intercept of the least-squares regression line to the nearest tenth. (3 points) y-intercept = f. State the equation of the least-squares regression line. You can use y instead of y if you like. (3 points)
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