Shown below is a concentration vs.time plot for the reaction A ⇌ B.For this reaction the value of the equilibrium constant is 
Definitions:
Factorial Design
An experimental strategy where two or more factors are varied, allowing researchers to study their individual effects and interactions.
Null Hypothesis
A hypothesis that assumes no significant difference or effect within the context of the study.
Main Effect
In a factorial design, it is the effect of an independent variable on a dependent variable averaging over the levels of any other independent variables.
Total Mean
The overall average of a set of numbers or data points.
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