in 1965, data on the connection between radioactive waste exposure and cancer mortality was published. The data was collected from 9 counties that were located near an Atomic Energy Commission facility in Hanford, Washington. The data give the index of exposure and the cancer mortalityrateduring1959-1964fortheninecountiesaffected.Higherindexofexposurevalues represents higher levels of contamination. The data is as follows

County Umatilla Morrow Gilliam Sherman HoodRiver Portland Columbia Clatsop Wasco Exposure 2.49 2.57 3.41 1.25 1.62 3.83 11.64 6.41 8.34 Mortality 147.1 130.1 129.9 113.5 137.5 162.3 207.5 177.9 190.3 After running the regression through statistical software, output below is found: Term Coef SE Coef T-Value P-Value Constant ? 1.88 Exposure 3.28 3.52 Source DF Adj SS Adj MS F-Value P-Value Regression ? 12991 ? Error ? Total 20334