Introducing graphs
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Introducing graphs. Table Bar graph Line graph Pie chart Flow chart Maps. Features of Each Type of Graph. Table large capacity ( eg . 50 rows on a A4), patterns not easily identified suits nominal as well as numerical data

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Introducing graphs

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Introducing graphs

Introducing graphs

Table

Bar graph

Line graph

Pie chart

Flow chart

Maps


Features of each type of graph

Features of Each Type of Graph

Table

large capacity (eg. 50 rows on a A4),

patterns not easily identified

suits nominal as well as numerical data

able to show cross-sectional & longitudinal data

Pie chart:

limited capacity

nominal & numerical data (%)

suits cross-sectional data unless used in series

30 items/variables


Introducing graphs

Bar graph /Line graph:

Similarities: large capacity; suit cross-sectional & longitudinal data; easy to identify patterns and trends

Differences: bar graphs better for discrete data; line graphs more for continuous data


Introducing graphs

Flow chart: for processes /procedures, usually sequential

Maps: multi-directional; locations & directions

Language features:

Flow chart: conjunctions describing sequence

Maps: words showing locations and directions

Some vocabulary (eg. ordinal) applies to most other graphs, eg. rank first, account for, a significant increase/decrease

Some vocabulary only for line graphs, eg. fluctuation, steady rise, plummet, soar


Schematic structure

Schematic Structure

3 –Sentence Introductory Para

Note: paragraphing not an IELTS requirement but for clarity.


Rationale

Rationale


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