In Exercises T1T7, find the normal system for the least squares cubic fit y = a0 + a1x +
Chapter 6, Problem T1(choose chapter or problem)
In Exercises T1T7, find the normal system for the least squares cubic fit y = a0 + a1x + a2x2 + a3x3 to the data points. Solve the system and show that the result is reasonable by graphing the fitted curve and plotting the data in the same coordinate system (1, 14), (0, 5), (1, 4), (2, 1), (3, 22)
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