ten 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 46 46 48 51 51 51 52 53 56 56 Mean 51 Oa 5 5 3 0 0 0 1 2 5 5 b 0 Oa 5 5 3 0 0 0 1 2 5 b 26 Oa 5 5 3 0 0 0 1 2 5 5 b 26 Oa 5 5 3 0 0 0 1 2 5 b 0