Standard deviation | Variance | Coefficient of variation | Paper 3 : Statistics | SSC CGL JSO

Hello students,
In today's lecture , we'll study about standard deviation and variance.
The lecture is divided into following subtopics:
1.Standard deviation
2. Coefficient of standard deviation
3. Combined standard deviation
4.Variance
5. Coefficient of variation

This series is dedicated to preparation of Paper 3 of Statistics,Tier 2 of SSC CGL for JSO and Statistical Investigator.

statistics,SSC CGL,JSO,Statistical Investigator,