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Suppose you take a survey of all the schools in your state. What would you expect the relationship between the number of students and the number of teachers in each school to be? A. negative correlation
B. no correlation
C. not enough information
D. positive correlation
The correct answer is D. positive correlation.
A positive correlation means that as the number of students increases, the number of teachers is also likely to increase. This is because schools typically hire more teachers to accommodate a larger student population in order to maintain a reasonable student-to-teacher ratio. Therefore, you would expect that schools with more students would also have more teachers.