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Math Help - another statistic

  1. #1
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    another statistic

    The pH values of 10 samples of soil taken from a piece of land are shown below

    6.0 , 4.5 , 5.7 , 5.8 , 6.1 , 7.3 , 4.8 , 5.6 , 5.8 , 4.3

    Find the percentage of the sample of soil which has pH value between the mean and the median .
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  2. #2
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    Quote Originally Posted by thereddevils View Post
    The pH values of 10 samples of soil taken from a piece of land are shown below

    6.0 , 4.5 , 5.7 , 5.8 , 6.1 , 7.3 , 4.8 , 5.6 , 5.8 , 4.3

    Find the percentage of the sample of soil which has pH value between the mean and the median .
    Can you calcultae the mean? Can you calculate the median? Where are you stuck in this question?
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  3. #3
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    Quote Originally Posted by thereddevils View Post
    The pH values of 10 samples of soil taken from a piece of land are shown below

    6.0 , 4.5 , 5.7 , 5.8 , 6.1 , 7.3 , 4.8 , 5.6 , 5.8 , 4.3

    Find the percentage of the sample of soil which has pH value between the mean and the median .

    Oh i know how to look for the mean and median . After i got these 2 values , what should i do ?
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  4. #4
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    Quote Originally Posted by thereddevils View Post
    Oh i know how to look for the mean and median . After i got these 2 values , what should i do ?
    Count how many data values lie between them and convert that into a percentage of the total data.
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  5. #5
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    Quote Originally Posted by mr fantastic View Post
    Count how many data values lie between them and convert that into a percentage of the total data.

    Alright , thanks . Am i right ?

    Median=5.75 and mean = 5.59

    so there are 2 values between 5.59 and 5.75

    Thus , percentage = 2/10x100 =20%
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  6. #6
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    Quote Originally Posted by thereddevils View Post
    Alright , thanks . Am i right ?

    Median=5.75 and mean = 5.59

    so there are 2 values between 5.59 and 5.75

    Thus , percentage = 2/10x100 =20%
    Yes.
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