Find the mean of the items 29,21,33,11,18,26.

Find the range of the series : 15, 18, 13, 16, 14, 13, 14, 19, 21.

Find the mean for the following data: 13,17,16,14,11,13,10,16,18,12,17

Find the median of the following data 26,36,29,25,24,37,23,20,34

Find the mean of 25, 27, 19, 29, 21, 23, 25, 30, 28, 20 and prove that the sum of the deviation taken from the mean is zero.

find the median of the following data 18,26,59,48,31,30,32,52. if 26 is replaced by 62, what will be the new median.

Find the median of the following data: 15,6,16,8,22,21,9,18,25

Find the mean deviation from the mean for the following data : 12,3,18,17,4,9,17, 19, 20, 15, 8, 17, 2, 3, 16, 11,3,1,0,5 .