Question

In a study of towns, there was a positive correlation between the number of mail boxes and number of traffic lights in a town.

Which variable is most likely the lurking variable that explains the correlation?



ages of residents

commute times

population

highest temperatures

Answer 1

The answer is population

Explanation:

I took the test at k12

Answer 2

Population, because the more people there are in a town, the more mailboxes and traffic lights there will be. There will have to be more in order to supply the population.