highly significantp = 3.93 × 10−11
The two-way ANOVA (response: OD at 517 nm; factors: Treatment and Experiment) indicates a highly significant main effect of Treatment (F 2 ,12 = 319.43, p = 3.93 × 10−11), demonstrating that absorbance differs markedly among the control, thyme oil, and cinnamon oil groups.