Find a. the mean; b. the deviation from the mean for each data item; and c. the sum of the deviations in part (b) for the following group of data items. 153, 155, 162, 166, 169 a. The mean is 161. (Simplify your answer.) b. Complete the following table by entering the deviations for each data value. 162 Data Item Deviation (Simplify your answers.) c. The sum of the deviations is 153 155 166 (Simplify your answer.) 169 ←

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