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The mean of 31 results in 60 .If the mean of the first 16 is 58 and that of the last 16 is 62 what is the 16th result?How can I do this sum? |
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Answer» The mean of 31 results in 60 .If the mean of the first 16 is 58 and that of the last 16 is 62 what is the 16th result?How can I do this sum? |
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