It has been known for a number of years that the tailings (waste) of gypsum and phosphate mines in Florida contain radioactive radon 222. The radiation levels in waste gypsum and phosphate mounds in Polk County, Florida, are regularly monitored by the Eastern Environmental Radiation Facility (EERF)

and by the Polk County Health Department (PCHD), Winter Haven, Florida. The table (p. 400) shows measurements of the exhalation rate (a measure of radiation) for 15 soil samples obtained from waste mounds in Polk County, Florida. The exhalation rate was measured for each soil sample by both the PCHD the other? Use the SPSS Wilcoxon signed rank prmtout 71 1,709.79 1,479.0 58 357.17 257.8 above to make your conclusions.