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drug company promises to help people lose at least 3 pounds per week. 15 people use the drug. they lose an average of 2.8 lbs per week with a standard deviation of .5lbs. is this a left tail or right tail and why?

  • statistics - ,

    I am not sure what you are asking.

    If you are asking if the distribution is positively or negatively skewed, there is no indication of either.

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