- Data, Collection of Data, Presentation of Data
- Problem 1: Data, Collection of Data, Presentation of Data
- Introduction to Numerical Data
- Collection of Data Using a Questionnaire
- Collection of Data Through Observation
- Collection of Data Through Interviews
- Collection of Data by Measuring
- Collection of Data by Using electronic means and Internet

- Formation of Frequency Distribution byTally Bar Method
- Problem 1: Formation of Frequency Distribution by Tally Bar Method

- Measure of Location
- Problem 1: Measure of Location
- Types of Measures of Central Tendency
- Importance of Measure of Central Tendency
- Problem 2: Types of Measures of Central Tendency
- problem 3: Types of Measures of Central Tendency
- Problem 1: Types of Measures of Central Tendency

- 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
- Short formula for Computing Arithmetic Mean for Ungrouped Data
- Problem 1: A.M for Grouped Data by Direct Method
- Short formula for Computing Arithmetic Mean for Grouped Data
- Coding Method of Finding Arithmetic Mean
- Problem 1: A.M for Ungrouped Data by Short formula Method
- A.M for Grouped Data by Coding Method
- Problem 1: A.M for Grouped Data by Short formula Method
- Problem 1: A.M for Ungrouped Data by Coding Method
- Problem 1: A.M for Grouped Data by Coding Method