Carl is conducting a research study and finds a significant positive correlation between a state's per capita consumption of mozzarella cheese and the number of doctoral degrees in civil engineering that are awarded (real example!).  However, this association is actually caused by a third variable that Carl did not measure. This variable is known as a: Group of answer choices distractor variable confounding variable independent variable lactose intolerant variable

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A: Statistical relationship between two variables is referred to as the correlation.

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