Note: Excel uses a linear model: the polynomial function y = a n*x n + . Excel works with polynomial orders from 2 nd to 6 th. n is the degree of the polynomial (in Excel, the order of a polynomial)., a 3, a 2, a 1 and b are calculated parameters of the function (also named function coefficients or constants) that describe the relationship between x and y, ![]() The polynomial trendline is a curved line with the function: Polynomial trendline equation and formulas a dependent or response variable y (named as known_y's). ![]()
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