Statistical Methods In Analytical Chemistry (ch... -

): Indicates how well your data fits that linear model. In analytical work, we usually look for 5. Limits of the Method Statistics define the "floor" of what an instrument can do:

A method to find the "best-fit" line ( ) for your calibration standards. Correlation Coefficient ( R2cap R squared

): The average. This is your best estimate of the "true" value after multiple trials. This measures precision . A low means your replicates are tightly clustered; a high means your technique is inconsistent.