Measures of Dispersion
Author:Embibe Experts
10th Tamil Nadu Board
IMPORTANT
Important Questions on Measures of Dispersion
EASY
IMPORTANT
Standard deviation of a collection of data is . If each value is multiplied by , then the standard deviation of the new data is:

MEDIUM
IMPORTANT
Draw the necessary table to find the Standard Deviation for the data and .

HARD
IMPORTANT
For a collection of data if then find and .

HARD
IMPORTANT
For a collection of data, if then find and .

EASY
IMPORTANT
Variance of the first natural numbers is

