Which of the following is the best example of statistical evidence? a. when my brother started using a cell phone, his grades declined and he became argumentative and irritable. b. cell phones provide many positive benefits such as allowing people to connect with each other no matter where they are. c. many studies have tried to find links between the radiation emitted by cell phones and rising behavioral problems in adolescents. d. the journal epidemiology reports that children who used cell phones three times a day were 80 percent more likely to have attention and behavioral problems.