Examlex
Which of the following is used to calculate the degrees of freedom for the A x B interaction?
Experimental Research
A research method involving the manipulation of variables to establish cause-and-effect relationships.
Cause and Effect
The principle that actions or events lead to a certain consequence or outcome, wherein the cause is why something happens, and the effect is what happens.
Arithmetic Mean
The sum of a set of numerical values divided by the number of values in the set, commonly known as the average.
Average
A statistical measure representing the central or typical value in a set of data, calculated mainly as the mean or median.
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