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A group of data items and their mean are given Find a the deviation from...

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Algebra

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A group of data items and their mean are given Find a the deviation from the mean for each of the data items and b the sum of the deviations in part a 140 147 149 154 155 Mean Oa 9 2 0 5 6 b 0 Oa 9 2 0 5 6 b 22 149 Oa 9 2 0 5 6 b 0 a 9 2 0 5 6 1122

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