Suppose an experiment has two explanatory variables. The first explanatory variable has 2 possible values and the second explanatory variable has 4 possible values. How many treatments are there in the experiment?

Suppose an experiment has two explanatory variables. The first explanatory variable has 2 possible values and the second explanatory variable has 4 possible values. How many treatments are there in the experiment?



(A) 4
(B) 6
(C) 8
(D) 16


Answer: (C) 8


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