Research Article

Statistical Analysis of Metal Chelating Activity of Centella asiatica and Erythroxylum cuneatum Using Response Surface Methodology

Table 5

Fit statistics for the response of 1/IC50 value of EC.

Standard deviation0.26R-squared0.9028
Mean1.60Adjusted R-squared0.8120
C.V.16.12Predicted R-squared0.7243
PRESS2.83Adequate precision9.404