The mean of the following frequency distribution is \( 62.8 \) and the sum of all the frequencie...
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0The mean of the following frequency distribution is \( 62.8 \) and the sum of all the frequencies is 50 . Compute the missing frequency \( f_{1} \) and \( f_{2} \).
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\( \begin{array}{lcccccc}\text { Class: } & 0-20 & 20-40 & 40-60 & 60-80 & 80-100 & 100-120 \\ \text { Frequency: } & 5 & f_{1} & 10 & f_{2} & 7 & 8\end{array} \)
(1)
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