Statistics Notes For RRB NTPC , SSC CGL and Other Competitive Exams

Statistics Notes For Railway Recruitment Board NTPC Graduate Level Exams , SSC CGL and Other Competitive Exams

Hello Readers !
As you observed from ongoing RRB NTPC Online CBT , it is much clear that Statistics is very important topic for this exams. About 5-6 questions are asked in each shift of this Online exam, So here we are sharing you Statistics notes , which helps you to solve those questions. Statistics is also important for SSC CGL as it is a separate paper for Tier-2. 
notes-on-statistics


Link to Download STATISTICS NOTES in PDF are given at the bottom of this post.

This Statistics Notes include following topics :

Primary Data
Secondary Data
Variables
Descrete Variables
Continuous Variables
Class
Class-Limits
Lower Limit
Upper Limit
Class-Interval
Inclusive Method
Open-End Method
Class-Frequency
Mid Point
Comulative Frequency
Range
Tally Marks
Tabulation
Statistical Formula
Pia Diagram 
Arithmetic Mean
Median
Weighted Arithmetic Mean
Harmonic Mean
Mode
Mean Deviation
Standard Deviation.






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