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Homework Help: Judging distribution shape using mean and standard deviation

  1. Aug 31, 2012 #1
    1. The problem statement, all variables and given/known data
    A recent summary for the distribution of cigarette taxes (in cents) among the 50 states and Washington, D.C. in the United States reported mean = 73 and standard deviation = 48. Based on these values, do you think that this distribution us bell-shaped? Justify your answer.

    2. Relevant equations


    3. The attempt at a solution

    Basically I don't think mean and stdev have anything to do with the shape of the distribution. I'm here just to ask for some hints from you. Thanks!
  2. jcsd
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