169_186_CC_A_RSPC1_C12_662330.indd



12-4 Skills PracticeComparing Sets of DataFind the mean, median, mode, range, and standard deviation of each data set that is obtained after adding the given constant to each value.1. 98, 95, 97, 89, 88, 95, 90, 81, 87, 95; + 2 2. 57, 38, 42, 51, 39, 44, 33, 55; + (–7)3. 112, 91, 108, 129, 80, 99, 78, 80; + (–15) 4. 5, 12, 7, 3, 8, 5, 7, 1, 4, 7, 3, 9; + 22Find the mean, median, mode, range, and standard deviation of each data set that is obtained after multiplying each value by the given constant.5. 71, 72, 68, 70, 72, 67, 68, 72, 65, 70; × 0.2 6. 14, 17, 13, 9, 15, 7, 12, 16, 8, 9; × 57. 32, 30, 27, 29, 25, 33, 38, 26, 23, 31; × 1.6 8. 55, 50, 58, 52, 56, 57, 50, 55, 50; × 29. BASEBALL The total wins per season for the first 17 seasons for the Florida Marlins are shown. The total wins over the same time period for the Chicago Cubs are also shown.Florida MarlinsChicago Cubs64, 51, 67, 80, 92, 54, 64, 79, 76, 79, 91,84, 49, 73, 76, 68, 90, 67, 65, 88, 67, 88,83, 83, 78, 71, 84, 8789, 79, 66, 85, 97, 83a. Use a graphing calculator to construct a box-and-whisker plot for each set of data. Then describe the shape of each distribution.b. Compare the data sets using either the means and standard deviations or the five-number summaries. Justify your choice. ................
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