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The mean of the following frequency tabl...

The mean of the following frequency table 50. But the frequencies `f_1a n df_2` in class `20-40a n d60-80` are missing. Find the missing frequencies. Class: 0-20 20-40 40-60 60-80 80-100 Total Frequency: 17 `f_1` 32 `f_2` 19 120

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Find the mean of the following frequency distribution: Classes: 0-20 20-40 40-60 60-80 80-100 Frequency: 15 18 21 29 17

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The mean of the following frequency distribution is 50, but the frequencies f_1 and f_2 in class 20-40 and 60-80 respectively are not known. Find these frequencies. Given that the sum of frequencies is 120.

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