Graphs in Economics
Gujarat Board · Class 12 · Economics
Complete topic list for Graphs in Economics in Gujarat Board Class 12 Economics. Key concepts, sub-topics, and what to focus on for board exams.
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Topics in Graphs in Economics
Meaning and Types of Diagrams and Graphs
- Diagrams are pictures representing observable data using scales and measurements, drawn for self-explanatory discrete frequency distribution data
- Graphs are pictures representing complex statistical information that requires statistical tools for understanding, drawn for continuous frequency distribution data
- Diagrams are used by advertising companies, government, and social organizations for general public consumption
Types of Bar Diagrams
- Simple Bar Diagram: Represents values of only one variable over a base (regions, years, etc.)
- Clustered Bar Diagram: Shows values of a common variable for multiple related categories in clusters
- Divided Bar Diagram: Single bars with subdivisions representing components of the total value
Pie Diagrams
- Pie diagram divides a circle into proportional segments representing data components
- Total circle represents 360° corresponding to 100% of data
- Each segment's angle is calculated proportionally to its data value
Time-Based Line Diagrams and Graphs
- Time-based line diagrams show trends of variables over time periods
- Independent variable (time) on X-axis, dependent variable on Y-axis
- Used for showing economic curves like demand curve, supply curve
Key Concepts
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