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QUESTION
In a sample of 50 members of a local health club you find that 12 of these members meet weekly with a physical fitness trainer and that the average
In a sample of 50 members of a local health club you find that 12 of these members meet weekly with a physical fitness trainer and that the average body mass index (BMI) of these 12 members is less than the average BMI of the other 38 club members in your sample.
