With Solver, you're not limited to a square-root dependence . . . your exponents can be whatever. I obtained my solution as follows: Picture four columns in your spreadsheet: Column A contains x (your data) Column B contains y (your data) Column C contains Fit, which can be anything (I used a1*y^e1 + a2*y^e2 + a3*y^e3) Column D contains (x - Fit)^2

positive square root is denoted by √ a and the negative square root by − √ a. For example, the positive square root of 9 is √ 9 = 3, and the negative square root of 9 is − √ 9 =−3. Readers who may have been taught to write √ 9 as ±3 should stop doing so, since it is incorrect. Itisacommonerrortoreplace √ a2 bya ...