01. Introduction
02. The Types of Class
03. Class Limit Points ( OR Class Boundary Points )
04. Deterministic the Class-Length of Grouped Data
05. Mid-value
06. Frequency-Distribution
07. Arithmetic Mean, Geometric Mean & Harmonic Mean
08. Results on A.M.
09. Results on Median ( M )
10. Results On Mode
11. Mean Deviation
12. Standard Deviation
13. Results on Diagrams
14. Examples 1 to 4
15. Examples 5 to 8
16. Examples 9 to 11
17. Examples 12 to 14
