Several lab groups found a strong positive correlation between number of hours spent on campus and grades. What can you conclude from this information?
A. More time spent on campus causes grades to increase.
B. The correlation coefficient must be zero.
C. There is a numerical relationship between the two variables.
D. To improve your grades, you must spend more time on campus.
Answer:C
Several lab groups found a strong positive correlation between number of hours spent on campus and grades. What can you conclude from this information?
A. More time spent on campus causes grades to increase. B. The correlation coefficient must be zero. C. There is a numerical relationship between the two variables. D. To improve your grades, you must spend more time on campus.