Question: For the roller coaster data in Exercise 47: a) Explain why in looking for a variable that explains rank, you will be hoping for a

For the roller coaster data in Exercise 47:
a) Explain why in looking for a variable that explains rank, you will be hoping for a negative correlation.
b) Do any of the provided variables provide a strong predictor for roller coaster rank?
c) What other (unaccounted) for variables might help explain the rank?

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