Question: 12. Cholesterol Levels For men aged between 18 and 24 years, serum cholesterol levels (in mg 100 mL) have a mean of 178.1 and a

12. Cholesterol Levels For men aged between 18 and 24 years, serum cholesterol levels

(in mg 100 mL) have a mean of 178.1 and a standard deviation of 40.7 (based on data from the National Health Survey). Find the z score corresponding to a male, aged 18–24 years, who has a serum cholesterol level of 259.0 mg 100 mL. Is this level unusually high?

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