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29. Find the mean marks of students from the following cumulative frequency distributionMarks O andaboveCandidates 8010 andabove7720 andabove7230 andabove6540 andabove5550 andabove4360 andabove2870 andabove1680 andabove10 |
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Answer» Subtract the SUM of -250 and 138 from the sum of 136 and -272 Step-by-step explanation: |
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