Question

prove that for any descrete distribution standard deviation is not less than mean deviation from mean.​

Answer 1

it is because of the squaring in standard deviation which tends to give more weightage to the data far from the central tendency.

Explanation:

Answer 2

Answer:

• When measurement is done there are many methods of doing it and when dispersed data is considered then standard deviation is used to find out the Square root of the squared differences or variance between this distribution.
• We need to find deviation of is discrete in nature then the mean values Can be considered to find the mean deviation and the answer.
• We get would be more or less similar hence it is said that the standard deviation and mean deviation for certain discrete data are similar from the mean.