Site pages

Current course

Participants

General

Topic 1

Topic 2

Topic 3

Topic 4

Topic 5

Topic 6

Topic 7

Topic 8

Topic 9

Topic 10

Topic 11

Topic 12

Topic 13

Topic 14

Topic 15

Topic 16

Topic 17

Topic 18

Topic 19

## 7.1.5 Mean Deviation

If x Mean deviation = Where represents the modulus or the absolute value of the deviation (x Since mean deviation is based on all the observations, it is a better measure of dispersion than range or quartile deviation. But the step of ignoring the signs of the deviation (x It may be pointed out here that mean deviation is least when taken from median. |

Last modified: Monday, 13 August 2012, 7:01 AM