A pro golfer collects data on her clubhead speeds in mph and distance in yards for 20 yames. (a) The golfer would like to find the least squares regression line predicting distance traveled (y) from cubhead speed 0o using the data from 20 guif swings. She finds the fotowing summary information Ey- 270,000 E- 2,100 Er-5,400 E- 190,000 What is the slope of the least squares regression line? (Round your answer to three decimal places.) (b) Given a standard error for slope of 3.1, calculate the test statistic. (Round your answer to two decimal places.) (e) Which of the folowing alternative hypotheses would be correct to determine if there is linear relationship between dubhead speed and distance traveled?

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