Question: The power P (in W) generated by a wind turbine was measured for various wind velocities v (in mi/h), as shown in the following table.

The power P (in W) generated by a wind turbine was measured for various wind velocities v (in mi/h), as shown in the following table.

v (mi/h) P (W) 15 20 10 75 250 25 30 40


Find the equation of the cubic regression model for these data.

v (mi/h) P (W) 15 20 10 75 250 25 30 40 600 1200 2100 4800

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