Theory of Intelligence
11TH•Mathematics•Division Of Polynomials•Exercise 9.2

9.2 Real-Life Applications

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Question 1

Consider a data set at monthly sales figures. A polynomial regression model P(x)=x3+2x2+x−3P(x) = x^3 + 2x^2 + x - 3 is fitted to this data. If the observed sales in the 5th month are 240 units, find the percentage error.

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