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Linear regression analysis of TBA value with storage period as independent variable.
| TBA Value (days) | Control | BHT | BHA | EO | ||
|---|---|---|---|---|---|---|
| 100 mg/L | 200 mg/L | 300 mg/L | ||||
| R-sq. | 0.88 | 0.81 | 0.92 | 0.87 | 0.94 | 0.97 |
| Slope | 2.90 a | 0.62 b | 0.79 b | 0.84 b | 0.74 b | 0.75 b |
| Std. error | 0.27 | 0.07 | 0.06 | 0.08 | 0.05 | 0.03 |
a, b—Slopes with different superscript are significantly different (p < 0.01) in multiple regression equation; R-squared, slope and standard error of slope are shown for each single regression equation.
