24.High cholesterol in blood is a cause of concern as it blocks blood vessels.This inturn causes heart disease.A group of medicines .Statins are prescribed by doctors to lower blood cholesterol. Scientists wanted to study the effectiveness of a new stian for this a group of 700 men and women with high cholesterol were chosen randomly .The study was undertaken over 8 months with the main aim to understand if taking this particular stian reduced the level of cholesterol in blood .
which one of the following would be the best approach for the study
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people suffering of high cholesterol should consult doctors
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options D will be the best approach for the study
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