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2227 Social & Preventive Medicine

A cardiologist found a highly significant correlation coefficient (r = 0.90, p = 0.01) between the systolic blood pressure values and serum cholestrol values of the patients attending his clinic. Which of the following statements is a wrong interpretation of the correlation co-efficiency observed?

ASince there is a high correlation, the magnitude of both the measurements are likely to be close to each other
BA patient with a high level of systolic BP is also likely to have a high level of serum cholesterol
CA patient with a low level of systolic BP is also likely to have a low level of serum cholesterol
DAbout 80% of the variation in systolic blood pressure among his patients can be explained by their serum cholesterol values and vice a versa
Social & Preventive Medicine
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