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A regression equation is determined that describes the relationship between average January temperature (degrees Fahrenheit) and geographic latitude, based on a random sample of cities in the United States. The equation is:
Temperature = 110 - 2(Latitude).
-How does the estimated temperature change when latitude is increased by one?
A) It goes up 2 degrees.
B) It goes up 108 degrees.
C) It goes up 110 degrees.
D) It goes down 2 degrees.

Question

Quizplus · Accepted Answer

The coefficient of Latitude in the equation is -2, which means for every one unit increase in Latitude, the Temperature decreases by 2 degrees.

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