Revision: Statistics for Economics >> Collection, Organisation and Presentation of Data Economics Commerce (English Medium) Class 11 CBSE
- Sources of Data - Primary
- Sources of Data - Secondary
- Concepts of Sampling
- How Basic Data is Collected
- Methods of Collecting Data
- Some Important Sources of Secondary Data
- Organisation of Data
- Meaning of Variables
- Types of Variables
- Organisation of Data - Raw Data
- Organisation of Data - Frequency Series
- Organisation of Data - Frequency Distribution
- Tabular Presentation and Diagrammatic Presentation of Data - Geometric Form
- Tabular Presentation and Diagrammatic Presentation of Data - Frequency Diagrams
- Abular Presentation and Diagrammatic Presentation of Data - Arithmetic Line Graphs
