3. Graphical Representation of Data
The chapter focuses on the representation of data through various graphical methods such as graphs, diagrams, and maps. It emphasizes the significance of visual representation in enhancing understanding and ease of comparison. Different types of graphs and maps are discussed alongside their construction methods and appropriate usage for various data representations.
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Sections
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What we have learnt
- Data representation improves comprehension and comparison.
- Different types of graphs and maps suit specific data characteristics.
- Proper design and scale selection are crucial in graphical representations.
Key Concepts
- -- Data Representation
- The method of presenting data in graphical or diagrammatic form to enhance understanding and make comparisons easier.
- -- Line Graph
- A graphical representation of data points connected by straight lines, typically used for time series data.
- -- Choropleth Map
- A type of map where areas are shaded or patterned in proportion to the value of a variable being represented, often used to show population density or similar data.
- -- Activity Map
- A map that visually represents the flow of movements such as people or goods between locations, often using varying line thickness.
- -- Thematic Map
- A type of map focused on a specific theme or subject area rather than just representing geographic locations.
Additional Learning Materials
Supplementary resources to enhance your learning experience.