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Problem #3 The fasting cholesterol level of teenage boys have a Mean = 175 mg/dL with a Std. Dev = 50. A sample of 39

Problem #3 The fasting cholesterol level of teenage boys have a Mean = 175 mg/dL with a Std. Dev = 50. A sample of 39 boys whose fathers had a heart attack reveals a Mean = 195 mg/dL. Is this expected or unusual

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