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Design an experiment planGood morning,
I am working on a project that aims to determine the nature of certain bacteria by isolating different foods.
I wanted to create an experiment plan to know the number of times of isolation that I will have to do to isolate the bacterium.
The variables I have are the nature of the bacteria and the nature of the food (qualitative variables).
I wonder if I should look in the literature for the number of isolation previously done to be able to isolate and generate a variation interval.
In this case should I make the optimal plan or is there another plan? Knowing that the variable 1 to 3 modality and the variable to 3 or more
I thank you in advance for your help.DOE