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  1. Oct 15, 2012, 04:38 PM

    Question: Standard Deviation

    by JamesTT
    Answers
    1
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    853

    Standard Deviation

    I am wondering if 100 students took an exam and the mean score was 70, with a standard deviation of 5 ( and the scores were normally distributed) how may scores fell between 0-69, 70-79, 80-89,...
  2. Oct 15, 2012, 11:29 AM

    Question: Determining how many scores fell within a 70-80% range

    by JamesTT
    Answers
    3
    Views
    1,938

    I am wondering if 100 students took an exam and...

    I am wondering if 100 students took an exam and the mean score was 70, with a standard deviation of 5 ( and the scores were normally distributed) how may scores fell between 0-69, 70-79, 80-89,...
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