The data below are the frequency of cremation burials found in 17 archaeological sites. a. Obtain the mean, median, and mode of these data. b. Which measure of center do you think works best here? 80 64 45 48 510 36 35 285 2789 45 375 21 87 415 58 245 129 a. The mean is 309.8 . (Round to one decimal place as needed.) The median is (Round to one decimal place as needed.)