Table 7: Statistical approach to select the RSM model with gas price of $3/MSCF.

SourceStd. Dev. -SquaredAdjusted   -SquaredPredicted   -SquaredPress

Linear0.270.88120.85820.80943.72
2FI0.260.94330.86880.215515.31
Quadratic0.0640.99790.99210.90321.89Suggested
Cubic011Aliased