If individuals who sit in the back of the classroom receive lower grades on average than the rest of the class, does that mean that sitting in the back of a classroom causes one to perform poorly on exams?
a. Not necessarily. The reoccurrence of a certain relationship between two variables does not necessarily imply causation.
b. It is not possible for an economist to determine causation
between variables.
c. The reoccurrence of such a relationship is sufficient evidence that sitting in the back of a classroom will lead to lower grades.
d. none of the above
a
Economics
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a. hay b. lumber c. labor d. fish e. minerals
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