8.
Top-Paid CEOs The data shown are the total compen-sation (in millions of dollars) for the 50 top-paid CEOs for a recent year. Compare the averages, and state which one you think is the best measure. 17.5 18.0 36.8 31.7 17.3 24.3 47.7 38.5 23.7 16.5 25.1 17.4 37.6 19.7 21.4 28.6 19.3 20.0 16.9 25.2 25.0 17.2 20.4 20.1 19.1 25.2 23.2 25.9 41.7 24.0 16.8 26.8 16.9 17.2 24.1 35.2 22.9 18.2 25.4 35.4 Source: USA TODAl: 9. College Enrollments The enrollments at a random selection of independent religiously controlled under-graduate schools are indicated below. Find the mean, median, mode, and midrange. Compare the mean and median and what that says about the data. 31.7 17.0 18.0 21.6 19.8 29.1 24.0 31.4 19.1 25.5 1469 1860 1422 1023 2532 1409 1648 \0802082 1371 1197 14841106 1241 Source: World Almallac 2012.
10. Foreign Workers The number of foreign workers' certificates for the New England states and the northwestern states is shown. Find the mean, median, and mode for both areas and compare the results.
11.
Distances of Stars Of the 25 brightest stars, the distances from earth (in light-years) for those with dis-tances less than 100 light-years are found below. Find the mean. median, mode. and midrange for the data. 8.6 36.7 42.2 16.8 33.7 77.5 87.9 4.4 25.3 11.4 65.1 25.1 51.5 Source: New York Times A1mallllc 20/0. 3-15

144 Chapter 3 Data Description of data is more variable? (The U.S. average statting salary at this time was $29.641.)
Spain 32,679 India 18,247 Finland 32,136 Malaysia 13.647 Denmark 30,384 Philippines 9,857
13. Ages of U.S. Astronaut Candidates The average age of U.S. astronaut candidates in the past has been 34, candidates have ranged in age from 26 to 46. Use the range rule of thumb to estimate the standard deviation of the applicants' ages. but
14. Times Spent in Rush-Hour Traffic A sample 12 drivers shows the time that they spent (in minutes) stopped in rush-hour traffic on a specific snowy day last winter. Find the range. variance. and standard deviation of
53 51 53 58
15.
Prison Executions The numbers of prisoners executed by the state since 1977 forthe top 12 states are listed below. Find the range. variance, and standard deviation of the data. TX 355 LA 27 AR 27 VA 94 MO 66 AZ 22 AL 34 NC 39 FL 60 OK 79 GA 39 SC 35 Source: New York Times Almllntlc 2010. &assenger Vehicle Deaths The number of people killed in each state from passenger vehicle crashes for a spe-cific year is shown. Find the range, variance. and stan-dard deviation for the data. 778 309 1110 324 705 1067 826 76 205 152 218 492 65 186 712 193 262 452 875 82 730 1185 2707 1279 390 305 123 948 343 602 69 451 951
104
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