The correlation coefficient (R2) is a measure of

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The correlation coefficient (R2) is a measure of the degree of linearity of the calibration curve. A value of R2 close to 1 indicates a highly linear relationship between the independent and dependent variables, while a value close to 0 indicates little to no linear correlation. R2 does not provide information on the expected linear range or the slope to intercept ratio, nor does it directly measure the reliability of the calibration curve.

The Correlation Coefficient (R2) Is a Measure of