January 2017
Beginner
882 pages
203h 41m
English
| ... Estimated MPG | |||
|---|---|---|---|
| 2 | 38.2 − 4.23 × 2 = 29.74 | 0.39 + 1.12 × 2 = 2.63 | 100/2.63 ≈ 38.0 |
| 3 | 38.2 − 4.23 × 3 = 25.51 | 0.39 + 1.12 × 3 = 3.75 | 100/3.75 ≈ 26.7 |
| 4 | 38.2 − 4.23 × 4 = 21.28 | 0.39 + 1.12 × 4 = 4.87 | 100/4.87 ≈ 20.5 |
| 5 | 38.2 − 4.23 × 5 = 17.05 | 0.39 + 1.12 × 5 = 5.99 | 100/5.99 ≈ 16.7 |
| 6 | 38.2 − 4.23 × 6 = 12.82 | 0.39 + 1.12 × 6 = 7.11 | 100/7.11 ≈ 14.1 |
The scatterplot in Figure 20.9 shows the linear fit of MPG on weight (orange) together with the curve produced by the reciprocal equation (green).
The curve produced by transforming MPG using the reciprocal captures the bend that we saw in the ...