Find the mean of the following frequency...

Find the mean of the following frequency distributions: `Class i n t erval: 0-8 8-16 16-24 24-32 32-40` `Frequency: 5 6 4 3 2`

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Find the mean of the following frequency distributions: Class i n terval: 0-8 8-16 16-24 24-32 32-40 Frequency: 5 9 10 8 8

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