Fast food is often considered unhealthy because much of it is high in both fat and calories. But are the two related? Here are the fat (in grams) and calories contents of several brands of burgers. If the fat was recorded in kilograms, would this change the correlation? Suppose the relation is linear.   A. Yes: the two variables do not have the same units. B. No: correlation changes with change of units. C. No: correlation does not change with change of units. D. Yes: correlation changes with change of units. E. No: the relation is linear

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