14 The article "Hydrogeochemical Characteristics of Groundwater in a Mid-Western Coastal Aquifer Sys- tem" (S. Jeen, J. Kim, et al., Geosciences Jour- nal, 2001:339-348) presents measurements of vari- ous properties of shallow groundwater in a certain aquifer system in Korea. Following are measurements of electrical conductivity (in microsiemens per cen- timeter) for 23 water samples. 2099 528 2030 1350 1018 384 1499 1265 375 424 789 810 522 513 257 557 260 488 200 215 486 461 500 Source: Czech Geological Society. a. Find the mean. b. Find the standard deviation. c. Find the median. d. Construct a dotplot. e. Find the first quartile. f. Find the third quartile. g. Find the interquartile range. h. Construct a boxplot. i. Which of the points, if any, are outliers? j. If a histogram were constructed, would it be skewed to the left, skewed to the right, or approx- imately symmetric?

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Q: 52 +9

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Q: -5y + 8 = -7 O a -3 O b -1/5 3 P. 1/5

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