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Lesson 5, Topic 2
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# Compound Bar Chart

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Definition: A compound bar chart consists of two or more sets of information that are used for comparing the sets of data collected. When only two sets are information compared, it is called a dual bar chart.

Example 1

The table below shows the food some students eat in the Dining Hall.

Illustrate this information as a compound Bar Chart.

COMPOUND BAR CHART Showing How Students Feed in the Dining Hall

Keys: Boys = Series 1

Girls = Series 2

SECTIONAL BAR CHART

Definition: A sectional bar chart is used when data can be divided into its component parts. The sectional bar chart is particularly useful when the summation of two or more items is of interest.

Example 1

Consider the table for compound Bar Chart above.

SECTIONAL BAR CHART OF STUDENTS MENU

Bar â€“ line Graph (Zero width bar chart)

Definition: This graph is drawn exactly the same way as bar charts, but instead of drawing rectangular bars, we draw vertical or horizontal lines to show the frequency.

Example 1

The table below shows the goals scored by a football team in 30 matches. Illustrate the information in on a vertical bar-line.

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