Read the scenarios below with regards to correlation, lurking variables, and cause-and-effect relationships.

Scenario1: Gas PricesIn the 1970s there was an oil shortage that convinced law makers to reduce speed limits in order to reduce gas usage.During that time, the number highway deaths also decreased.Did the reduction in speed limits cause the number of deaths to decrease?

Scenario2: Summer seminarThis summer, local high school students were given the opportunity to take a week-long college-ready seminar at MCC.Data showed that these students then outperformed their fellow students throughout their first semester of college.Should all students be required to take the seminar going forward to ensure similar results for all students?