Unformatted text preview: the South plays a role in the standardized residual of -1.31 for that region. The mild weather experienced in both the South and the West region may have some bearings on the negative residual values. The data has counts of the number of cases of heart disease in the different regions, meeting the Counted Data Condition. The heart disease diagnoses of an individual should be independent of each other, satisfying the Independence Assumption. The Randomization Condition is not satisfied because the individuals in the study are not randomly selected, and the individuals in the study may have a precondition of having heart disease. The null hypothesis expects all of the number of expected diagnosed cases in different regions to be greater than 5, so the Expected Cell Frequency Condition is satisfied....
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- Fall '08
- Genetics, Errors and residuals in statistics