A Publisher Of College Textbooks Conducted A Study To Relate Profit Per Text Y To Cost Of Sales X Over A 6 Year Period W 1 (37.38 KiB) Viewed 63 times
A publisher of college textbooks conducted a study to relate profit per text y to cost of sales x over a 6-year period when its sales force (and sales costs) were growing rapidly. These inflation-adjusted data (in thousands of dollars) were collected: x = (5.0, 5.6, 6.1, 6.8, 7.4, 8.6) y=(16.5, 22.4, 24.9, 28.8, 31.5, 35.8) Use all of this information for questions 10-27 and you will not input any answer for question nine. Question 15 When x = 8.6, Calculate the prediction error. (residual) 1 Question 19 Construct a 95% CI for Beta one
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