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Examples:
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Find the best-fitting line using the following data. (0, 3.3) (2, 6.3) (2, 6.9) (3, 7.2) (3, 7.5) (3, 7.8) (4, 7.7) (4, 8.1) (5, 7.9) (5, 8.6) (6, 9.1) (7, 9.4) (7, 10.1) (8, 9.8) (9, 10.5) (10, 10.8)
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The data pairs give the average speed of an airplane during the first 10 minutes of flight. Let x represent the number of minutes and y represent the speed in miles per hour. Find the best-fitting line for the data. (1, 180) (2, 250) (3, 290) (4, 310) (5, 400) (6, 420) (7, 410) (8, 490) (9, 520) (10, 510)
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