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Table 8 Determination regression coefficient of second-order polynomial model for Vibrio sp. 6HFE bioluminescence

From: Toxicity monitoring of solvents, hydrocarbons, and heavy metals using statistically optimized model of luminous Vibrio sp. 6HFE

Term Coef. SE Coef. T-value P-value
Constant 1356954 62059 21.866 0.000
Yeast extract −92777 33516 −2.768 0.014
MgSO4 −102822 33516 −3.068 0.007
CaCl2 −26553 33516 −0.792 0.440
K2HPO4 −47855 33516 −1.428 0.173
Yeast extract* yeast extract −317865 30705 −10.352 0.000
MgSO4*MgSO4 −15062 30705 −0.491 0.630
CaCl2*CaCl2 7473 30705 0.243 0.811
K2HPO4*K2HPO4 −291506 30705 −9.494 0.000
Yeast extract *MgSO4 431849 41048 10.521 0.000
Yeast extract *CaCl2 −4030 41048 −0.098 0.923
Yeast extract *K2HPO4 1241 41048 0.030 0.976
MgSO4*CaCl2 −114325 41048 −2.785 0.013
MgSO4*K2HPO4 10236 41048 0.249 0.806
CaCl2*K2HPO4 −28726 41048 −.700 0.494
  1. R-Sq = 95.3% R-Sq(adj) = 91.2%