i need a formula can decide a range according the between value and SUM of the frequency of the range.
sorry, so difficult to explain in English. please refer to the picture below.
thanks very much
i need a formula can decide a range according the between value and SUM of the frequency of the range.
sorry, so difficult to explain in English. please refer to the picture below.
thanks very much
Last edited by choy96; 05-06-2010 at 10:06 PM.
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