# A correlation of r = 0.85 is found between weekly sales of firewood and cough drops over a 1-year period. Which of the following is a correct interpretation of this correlation value? a. There is a pretty strong positive linear relationship between sales of firewood and cough drops. b. Temperature is a possible lurking variable that is behind this relationship. c. Fire must be the cause of coughing.

###### Question:

A correlation of r = 0.85 is found between weekly sales of firewood and cough drops over a 1-year period. Which of the following is a correct interpretation of this correlation value?
a. There is a pretty strong positive linear relationship between sales of firewood and cough drops.
b. Temperature is a possible lurking variable that is behind this relationship.
c. Fire must be the cause of coughing.

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