January 2017
Beginner
882 pages
203h 41m
English
21. If linear, these would cost the same amount in the absence of fixed costs.
23. Heavier cars typically have more powerful engines that burn more fuel.
25. Unrelated.
27. The correlation is 1.
29. b0 is the estimated value when x gets large (the asymptote).
31. Positive residuals; hybrids get higher mileage than typical cars.