1. ash believes that people who play pokemon go take a different number steps per day than people who don’t play it. to test his hypothesis, he gives 100 random people pedometers and records their data for one day. 46 of the participants consider themselves regular players of pokemon go, and they averaged 8,492.15 steps per day. the remaining participants averaged 7,830.69 steps per day. given: se x1-x2 = 247.09 steps. a. find the 95% confidence interval of the difference in pokemon go players’ steps to non-players’ steps. b. based on your answer to part 1a, did the two groups’ steps significantly differ? how do you know?