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Biostatistics

Discussion in 'Medical Students - MD' started by SQUmedic, Jun 21, 2008.

  1. SQUmedic

    2+ Year Member

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    Ok im new here so I dont know where this post should actually go, direct me if im in the wrong place
    I have a question of biosatistics, im sure its easy; i just started the topic and got stuck immediately lol

    1- Your objective is to estimate the proportion of overweight people in town X. If the confidence required is 99% and an error of 20% on either side of the estimate is permitted..What would be the sample size of your study? A pilot study of 200 persons from the town X showed 22 persons as overweight.

    First i get a (-) answer, which is wrong, then i get 291 which again is wrong..
    The correct answer is 1347
     
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  3. mikedc813

    10+ Year Member

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    How is this related to anything that is premedical or medical?
     
  4. SQUmedic

    2+ Year Member

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    Well the thread name says it.
     

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