What is the definition of "variable of interest" in Statistics?

Answer 1

It's what you're testing. Are you determining the number of people that prefer coke to pepsi? Are you finding the average height of a population (variable = height) ? Are you finding the standard deviation of GPA in the school (variable - GPA)? Etc.

Answer 2

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What is the definition of "variable of interest" in Statistics?

Answer 3

http://en.wikipedia.org/wiki/Control_var...