The number of levels of observed x-values must be equal to the order of the polynomial in x that
you want to fit.

Name: The number of levels of observed x-values must be equal to the order of the polynomial in x that you want to fit.
Brand: Quizplus
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Question

Quizplus · Accepted Answer

The order of the polynomial you want to fit is independent of the number of levels of observed x-values. You can fit a polynomial of any order as long as you have more data points than the degree of the polynomial plus one.

The Number of Levels of Observed X-Values Must Be Equal