Answer: The association between average unemployment levels and mortality from coronary heart disease was studied in countries in New state involves the ecologic study. This study indulge the Pearson's Correlation Coefficient. This predicts the relationship between the two variables that is X and Y. It means that the average unemployment rate and it's impact on the mortality rate from heart diseases. The Pearson's Correlation coefficient shows the statistical representation of the relationship between X and Y variables. It shows the magnitude of association.
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