bar diagram (chart) in statistics presentation
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Statistics & Probability
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Saujanna JafreenLecturer
Department of Natural Sciences
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GROUP NAME
PROBABILITIES
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GROUP MEMBERS
Ashraful Islam Sheiblu ID:152-35-1129
Bishnu Chandra SutradharID:152-35-1130
Ratan HazraID:152-35-1131
Mehedi Hasan Rimon ID:152-35-1135
Talha AhmedID:152-35-1138
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TOPIC NAME
BAR DIAGRAM
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What is bar diagram ?
A bar chart or bar diagram is a chart that present qualitative (grouped) data with rectangular bars with lengths proportional to the values that they represent. [N:B: In this type diagram, rectangular bars must be separated from each other by same distance. ]
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ABOUT QUALITATIVE DATA
•Deals with descriptions.•Data can be observed but not measured.•Colors, textures, smells, tastes, appearance, beauty, gender, favourite etc.
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COMPONENTS OF BAR DIAGRAM
Collecting qualitative data Drawing a X and Y axis Label the X axis Label the Y axis Drawing the bars a
b
c
variable variable variable
Y – axis
x – axis
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AN EXAMPLE OF BAR DIAGRAM
Figure 1: Numbers of children favorite cartoon Tom & Jerry, Doraemon & Super man .
Cartoon Name
Number of Child
Tom & Jerry 8
Doraemon 7
Super man 5
Total 20
Table 1: A Uni-variate table of 20 children favorite Tom & Jerry, Doraemon & Super man Cartoon.
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DIFFERENTS TYPES OF BAR DIAGRAM
•Horizontal Bar Diagram•Grouped Bar Chart•Stacked Bar chart
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VIEW of BAR DIAGRAM
Fig2 - Horizontal Bar Diagram
Fig4 - Stacked l Bar Diagram
Fig3 - Grouped Bar Diagram Page: 10
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