- Data, Collection of Data, Presentation of Data
- Problem 1: Data, Collection of Data, Presentation of Data
- Data and its Types
- Problem-Data and its Types
- Problem-Class Mark, Limit and Frequency
- Class Frequency
- Class Mark & Class Boundaries.
- Construction of Continuous Frequency Table
- Problem 1: Construction of Continuous Frequency Table
- Class interval & Class Limits
- Problem 1: Class interval & Class Limits

- Problem-Concept of an Average ( Arithmetic Mean )
- Problem-Solve Real Life Problems Involving Average
- Arithmetic Mean (A.M) for Ungrouped Data
- Problem 1: A.M of Ungrouped Data by Direct Method
- Arithmetic Mean (A.M) for Grouped Data by Direct Method
- Problem 1: A.M for Grouped Data by Direct Method
- Median of Primary Data
- Problem-Median of Primary Data
- Real Life Problem Involving Central Tendency
- Mode for Ungrouped Discrete Data
- Problem 1: Mode for Ungrouped Discrete Data