1. The following is a sample of Quiz scores on a 10 point quiz 6479101010952 a. What is the mean? b. What is the range? c. d. What is the standard deviation (5 hat) What is the variance? 2. Susan and Robin are arguing about who did better on their nal exams. Susan got an 88 on her psych nal (mean=74, std dev=12) whereas Robin earned an 82 on her bi dev=4). Who did better? a. Find Susan's z score b. Find Robin's z score c. Which is higher? 3. Bob 8: Chris are also debating who did better. Bob got a 65 on psych exam (mean=74, std dev=12) and Chris got a 68 on the bio exam (mean=76, std dev=4). Who did better? a. Find 2 scores for each person, who has a higher 2 score? b. Does this result make sense please explain 0 exam (mean=76, std 4. Video problem Variable Male Mean Female .Meain Verbal ACT Math ACT weight l Leg Strength