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Math Help - Statistics...standard deviation

  1. #1
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    Statistics...standard deviation

    How do I do these two problems?


    I think that number 4 might be D. Range and median, however I am not sure
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  2. #2
    Grand Panjandrum
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    Quote Originally Posted by aikenfan View Post
    How do I do these two problems?


    I think that number 4 might be D. Range and median, however I am not sure
    In question (3), 28.4 is 1 sd above the mean. The diagram shows the area
    above mean + 1 sd for the normal distribution is about 15.9%

    RonL
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  3. #3
    Grand Panjandrum
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    Quote Originally Posted by aikenfan View Post
    How do I do these two problems?


    I think that number 4 might be D. Range and median, however I am not sure
    For question (4) you have a box and wiskers diagram. For an explanation see here.

    RonL
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