Data sources: U.S. Census Bureau and National Science Foundation. a. Is this simply a correlation? Or is there a possibility that computer science doctorates affect total revenue generated by arcades or vice versa? Explain your answer. Data sources: U.S. Census Burcau and National Science Foundation. b. Is this simply a correlation? Or is there a possibility that the number of people who drowned was affected by the films Nicolas Cage appeared in? Explain your