Graphic Presentation — Syllabus
ICSE · Class 11 · Economics
What Graphic Presentation covers in ICSE Class 11 Economics: 4 topics, for the 2026-27 session. Part of the ICSE Class 11 Economics syllabus.
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Topics in Graphic Presentation
Meaning and Importance of Graphic Presentation
- Graphic presentation means presenting data on graph paper in the form of graphs.
- It shows the behaviour of data and the relationship between variables.
- It is useful for time series and frequency distribution.
Construction of Graphs
- Graphs are generally drawn on graph paper.
- A graph paper is divided into four quadrants by two perpendicular intersecting lines meeting at the origin O.
- Origin O is the point of intersection of the X-axis and Y-axis and represents zero value.
Frequency Graphs
- Frequency graphs show the value of an item and its occurrence.
- Values of variables are taken on the X-axis and frequencies on the Y-axis.
- Main types of frequency graphs are line frequency graph, histogram, frequency polygon, frequency curve, and ogive.
Histogram: Types and Construction
- Histogram is drawn only for continuous variables.
- It uses class-intervals on the X-axis and frequencies on the Y-axis.
- Each rectangle represents one class interval and its frequency.
Key Concepts
Central concept: Graphic presentation of statistical data
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