Outboard motors. The table gives performance data for a boat powered by an Evinrude outboard motor. Find a quadratic regression model (y = ax2 + bx + c) for boat speed y (in miles per hour) as a function of engine speed (in revolutions per minute). Estimate the boat speed at an engine speed of 3,100 revolutions per minute.
Table for 1 and 2
rpm | mph | mpg |
1,500 | 4.5 | 8.2 |
2,000 | 5.7 | 6.9 |
2,500 | 7.8 | 4.8 |
3,000 | 9.6 | 4.1 |
3,500 | 13.4 | 3.7 |
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