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Find the mean deviation about the mean for the data : Income 0-100 100-200 200-300 300-400 400-500 500-600 600-700 700-800per dayNumber 4 8 9 10 7 5 4 3of persons
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Question Text | Find the mean deviation about the mean for the data : Income 0-100 100-200 200-300 300-400 400-500 500-600 600-700 700-800per dayNumber 4 8 9 10 7 5 4 3of persons |