A Basic Working Curve Plot with Linear Least Squares Calculation of Concentration and Regression Line

©David L. Zellmer, Ph.D.
Department of Chemistry
California State University, Fresno

Starting with the basic techniques of graphing and use of the LINEST() function we can add some features to make the actual line appear. From the numbers generated we can even estimate the errors in the fit. (The values used in this tutorial have more error than in the previous one to more easily show differences from regression.) Scroll down to see the figure.

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