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- Data, Collection of Data, Presentation of Data DEMO
- Problem 1: Data, Collection of Data, Presentation of Data
- Constant & Variable.
- Problem 1: Constant & Variable.
- Population
- Problem 1:Population

- Data, Collection of Data, Presentation of Data
- Problem 1: Data, Collection of Data, Presentation of Data

- Data, Collection of Data, Presentation of Data
- Problem 1: Data, Collection of Data, Presentation of Data

- Ungrouped & Grouped Data DEMO
- Problem 1: Ungrouped & Grouped Data
- Classification & No. of Classes
- Problem 1: Classification & No. of Classes
- Specification of Classes
- Problem 1: Specification of Classes
- Class interval & Class Limits
- Problem 1: Class interval & Class Limits
- Class Mark & Class Boundaries.
- Problem 1: Class Mark & Class Boundaries.

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

- Advantages and Disadvantages of Graphs DEMO
- Problem 1: Advantages and Disadvantages of Graphs
- Construction of Graphs
- Problem 1: Construction of Graphs

- Simple Bar Diagram DEMO
- Problem 1: Simple Bar Diagram
- Multiple Bar Diagram
- Problem 1: Multiple Bar Diagram
- Pie Diagram
- Problem 1: Pie Diagram

- Measure of Location
- Problem 1: Measure of Location
- Importance of Measure of Central Tendency
- Problem 1: Importance of Measure of Central Tendency

- A.M of Ungrouped Data by Direct Method DEMO
- Problem 1: A.M of Ungrouped Data by Direct Method
- A.M for Grouped Data by Direct Method
- Problem 1: A.M for Grouped Data by Direct Method
- A.M for Ungrouped Data by Short formula Method
- Problem 1: A.M for Ungrouped Data by Short formula Method
- A.M for Grouped Data by Short formula Method
- Problem 1: A.M for Grouped Data by Short formula Method
- A.M for Ungrouped Data by Coding Method
- Problem 1: A.M for Ungrouped Data by Coding Method
- A.M for Grouped Data by Coding Method
- Problem 1: A.M for Grouped Data by Coding Method

- Median for Ungrouped Data DEMO
- Problem 1: Median for Ungrouped Data
- Median for Grouped Continuous Data
- Problem 1: Median for Grouped Continuous Data

- Mode for Ungrouped Discrete Data DEMO
- Problem 1: Mode for Ungrouped Discrete Data
- Mode for Grouped Data
- Problem 1: Mode for Grouped Data

- Properties of Arithmetic Mean DEMO
- Problem 1: Properties of Arithmetic Mean
- Merits and Demerits of Median
- Problem 1: Merits and Demerits of Median
- Merits and Demerits of Mode
- Problem 1: Merits and Demerits of Mode

- Calculation of Range for Raw or Ungrouped Data DEMO
- Problem 1: Calculation of Range for Raw or Ungrouped Data
- Calculation of Range for Grouped Data
- Problem 1: Calculation of Range for Grouped Data
- Uses and Properties of Range
- Problem 1: Uses and Properties of Range
- Limitations or Drawbacks of Range
- Problem 1: Limitations or Drawbacks of Range

- Calculation of Variance by Proper Mean formula DEMO
- Problem 1: Calculation of Variance by Proper Mean formula
- Calculation of Variance by Short Cut Method
- Problem 1: Calculation of Variance by Short Cut Method
- Calculation of Variance by Direct Method
- Problem 1: Calculation of Variance by Direct Method

- Calculation of S.D by Proper Mean formula DEMO
- Problem 1: Calculation of S.D by Proper Mean formula
- Calculation of S.D by Short Cut Method
- Problem 1: Calculation of S.D by Short Cut Method
- Calculation of S.D by Direct Method
- Problem 1: Calculation of S.D by Direct Method
- Uses and Properties of Standard Deviation
- Problem 1: Uses and Properties of Standard Deviation
- Limitations of Variance and Standard Deviation
- Problem 1: Limitations of Variance and Standard Deviation
- Criteria for the measurement of spread of Observation
- Problem 1: Criteria for the measurement of spread of Observation