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AP STATS Linear Regression Classwork Answers. Classwork Answers (1-5) 1.R 2 = 48.2% 2.Differences in fares explain 48.2% of the variability in distance.

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Presentation on theme: "AP STATS Linear Regression Classwork Answers. Classwork Answers (1-5) 1.R 2 = 48.2% 2.Differences in fares explain 48.2% of the variability in distance."— Presentation transcript:

1 AP STATS Linear Regression Classwork Answers

2 Classwork Answers (1-5) 1.R 2 = 48.2% 2.Differences in fares explain 48.2% of the variability in distance. 3.b 1 = b 0 = fare-hat = (distance)

3 Classwork Answers (6-10) 6.The predicted fare for a 200-mile flight is $ The predicted fare for a 2000-mile flight is $ I will explain… 9.The fare is $ when the distance is zero. This is the base fare. 10.For each additional mile flown, the fare increases by $

4 Classwork Answers (11-13) 11.The residual is the actual fare minus the predicted fare. The actual fare is $212 and the predicted fare (y-hat) is $ The residual is $ A positive residual means that the actual fare is more than the predicted fare. 13.A negative residual means that the actual fare is less than the predicted fare.


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