you need to be careful if you use the equation to predict data, especially with higher order polynomials. and have Excel put the equation for the line on the graph ….
… experiment with the options to find something that is a reasonable fit …. The bottom line is that if you use Excel’s trend line feature to apply a trend line to a set of data in a graph …. I realized something the other day while doing a curve fit in Excel that I figured was worth sharing.
