The type of test where the variable of interest is the difference between the values of the observations rather than the observations themselves is :
"A test for the difference in the means of two related populations"
What is Variable of Interest?
In the field of statistics, Variable of Interest refers to the changing quality or factor that is being subject to measurement.
Variable of Interest are used to obtain data about how the factors or variables influence other variables. This is achieved by controlling the variables of interest.
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https://brainly.com/question/26066686
