(a)Find the mean deviation about 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.

Find the mean deviation about țhe 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.

Find the mean deviation about the mean for the following data:6,7,10,12,13,4,8,12.

Find the mean deviation about the mean for the following data: 6,7,10,12,13,4,8,12

Find the mean deviation about the mean for the following data: 4,7,8,9,10,12,13,17.

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

Find the mean deviation about the median fơr the following data: 3,9,5,3,12,10,18,4,7,19 , 21.

Find the mean deviation from the median for the following data:3,9,5,3,12,10,18,4,7,19,21.

Find the mean deviation (about mean) of the following data.6,9,10,12,2,3,5,17,20,26.

(b)Find the mean deviation from the mean for the following observation:9,21,3,10,5,12,3,18,21,8.

Find the mean and variance for the following data 6,7,10,12,13,4,8,12