Determine which set(s) of two variables have a strong positive correlation and explain why this is so in each scenario. Select all options that demonstrate a strong positive correlation. A. Hours of TV watched and GPA show a strong positive correlation because students who watch more TV tend to have lower GPAs. B. Hours spent on a computer and typing speed show a strong positive correlation because people who spend more time on a computer tend to also spend more time typing. C. Hours spent in the sun and severity of sunburn show a strong positive correlation because sunburns tend to be more severe after spending more time in the sun. D. Physical activity and percentage of body fat show a strong positive correlation because people who are physically active tend to have less body fat