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Comparing resultsI need help in determining if the rate constants I obtained from non-linear regression are different. I have 2 sets of samples from the same location, but each set was under a different condition (i.e., different flowrate), and I'm trying to determine if changing the flowrate makes a difference to the rate constants. I fit the data points with an equation and the non-linear regression gives me the rate constant based on the fitted curve and the approximate standard error. Does anyone know how can I determine if changing the variable (i.e., flowrate) affects the result (rate constant)?