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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).
-Based on the equation, what can be said about the association between temperature and latitude in the sample?
A) There is a positive association.
B) There is no association.
C) There is a negative association.
D) The direction of the association can't be determined from the equation.

Question

Quizplus · Accepted Answer

The coefficient for latitude in the equation is -2, indicating that for each unit increase in latitude, the temperature decreases by 2 degrees Fahrenheit. This shows a negative association between temperature and latitude.

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