The Sample Data Below Are the Index of Exposure to Radioactive

question 46

Essay

The sample data below are the index of exposure to radioactive waste for nine different geographic regions and cancer mortality rates (deaths per 100,000). $$\begin{array} { c | c } \text { Index of Exposure } & \text { Cancer Mortality Rate } \\\hline 2.49 & 147.1 \\2.57 & 130.1 \\3.41 & 129.9 \\1.25 & 113.5 \\1.62 & 137.5 \\3.83 & 162.3 \\11.64 & 207.5 \\6.41 & 177.9 \\8.34 & 210.3\end{array}$$ Using a 1% level of significance,do the data below support the claim that a higher index of exposure is associated with a higher cancer mortality rate?

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