1. Find the mean of the following sets of values. (a) 32 57 39 85 74 14 45 62 21 19 (b) 46 45 41 49 49 112 42 44 2. Find the median and quartiles for the following sets of values. (a) 45 58 50 47 55 60 40 43 (b) 50 55 40 43 48 46 56 46 (c) 149 135 128 150 149 144 142 135 127 (d) 147 127 114 138 135 149 142 127 116 3. Here are the widths of five model of sports car (in inches). Find the mode for these widths. Model Width (in.) Chevy Tracker (4-door) 67.3 Isuzu Amigo 71.4 Jeep Wrangler 66.7 Suzuki Vitara (2-door) 67.3 Toyota RAV4 66.7 5. Here are the SAT math scores for 19 randomly selected students. Find the interquartile range. 480 370 540 660 650 710 470 490 630 390 430 320 470 400 430 570 450 470 530 6. A student is interested in how old women are when they first get married. To estimate the mean age, she goes into 11 randomly selected chat rooms, and asks randomly selected women how old they were at their first marriage until she gets a response in each room. Here are the 11 ages. Find the standard deviation of these ages. 21 20 19 16 22 21 21 19 18 24 18. 7. Find the range of the following sets of values 32 57 39 85 74 14 45 62 21 19 8. Find the interquartile range for the following set of values (a) 45 58 50 47 55 60 40 43 (b) 50 55 40 43 48 46 56 46