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Bar graphs are the visual representation of knowledge, within the form of vertical or horizontal rectangular bars, where the length of bars are proportional to the measure of knowledge . A bar chart is the simplest and easiest and understable method to represent the data. It helps to research , and make decisions to support it. It’s very helpful in making any kind of decision.
Bar graphs are nothing but a visible representation of data, within the form of vertical or horizontal rectangular shaped bars, where the length of bars is proportional to the measure of knowledge . They’re also known as bar charts.
Contents
Terms Includes in Bar Chart
The terms are as follows:
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Vertical axis
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Horizontal axis
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The bar graph’s title
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The title of the horizontal axis
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The title of the vertical axis
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The categories on the actual axis indicate what each bar represents.
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The bar graph’s scale
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Types of Bar Graphs
The bar graphs are often vertical or horizontal. The first feature of any bar graph is its length or height.
Bar graphs usually show categorical and numeric variables arranged in school intervals. They contain an axis and a series of bars which are labelled horizontally or vertically. The bars represent distinctive values of a variable or commonly or the frequencies of the distinct values. The amount of values on the x-axis of a bar graph or the y-axis of a column graph is called the scale.
The types of Bar Graph Charts that can be made are as follows:
1.Vertical Bar Graph Chart
2. High Bar Chart Graph
Even though the graph can be plotted using horizontal or vertical lines, the most usual type of bar graph that is used is the vertical bar graph. The orientation of the x-axis and y-axis are changed counting on the type of vertical and horizontal bar chart. aside from the vertical and horizontal bar graph, the 2 different types of bar charts are:
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Grouped bar chart
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Stacked bar chart
Now, allow us to discuss the four different types of bar graphs.
How to Draw a Bar Graph?
Let us consider an example, we have four different types of pets, like cat, dog, rabbit, and hamster and therefore the corresponding numbers are 22, 39, 5 and 9 respectively.
In order to visually represent the data using the bar graph, we’d like to follow the steps given below.
Step 1: Right the title of the bar chart .
Step 2: Draw the horizontal axis and vertical axis on the graph sheet. (For example, sorts of junk food)
Step 3: Now, label the horizontal axis.
Step 4: Write the names on the horizontal axis, like burger, pizza, chips, etc.
Step 5: Now, label the vertical axis. (For example, the amount of eaters)
Step 6: Then, decide the size range for the given data.
Step 7: Finally, draw the bar chart that should represent each category of the food with their numbers.
Bar Graph Scale
Scale means the amount used to represent one unit length of a bar. For instance , the size for the bar graph shown here is 1 unit length = 100 eaters.
Bar Chart Examples
Bar Chart 1
Bar Chart 2
Examples of Bar Graph
1. Make a bar graph using the given information
Graph 1
Solved Questions
1. Make a bar graph using the given information
Graph 2
Summary
In this article we have studied the bar diagram even though we have covered the topic like how to make bar diagrams and the terms related to it. We have also covered the various types of diagrams in this article.
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Source: Math Hello Kitty
Categories: Math
