Each month, Nadeem keeps track of the number of times he visits the library and the number of books he checks out. Is there a correlation if you model his data with a linear equation? Is there a causal relationship? Visits 3 4 5 7 8 Books 12 5 6 8 9 11 O A. There is a positive correlation and no causal relationship B. There is a negative correlation and no causal relationship. C. There is a causal relationship but no positive correlation. o D. There is neither a correlation nor a causal relationship.