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The Kinds Of Graphs And When To Use Them

When you are writing a paper, it is important to be sure that the graphs are easy to understand and informative. There are many different types of graphs that can be used depending on what type of information you need to convey and how much data you have. If you aren’t careful about which graph to use in your online graph maker, it could lead to confusion and miscommunication of your ideas. In this article, I will offer some advice on how to choose the best graph to make with an online graph maker according to the kind of data you have.

Source: Venngage

Bar Versus Pie Graphs

The bar graph is most commonly used for categorical data that represent counts of something or parts of a whole. For example, you might use a bar graph to show how many students of each gender are enrolled in your high school. Because the x-axis represents categories, it is easy to compare different parts of the data. This type of graph can be used for multiple categories with up to 5 or 6 different types of data. For example, you might want to use a bar graph maker online to show the number of students in your high school by race and gender.

The pie chart is most commonly used for categorical data that represent parts of a whole or distribution. If you have several categories and they only each represent one part of the whole then an online pie graph maker may be the best choice. For example, you might use a pie chart to show what percentage of the budget is spent on each department in your high school or college.

The pie chart and the bar graph both represent categorical data. However, they are used for different purposes and so it is important to be careful not to confuse people with unneeded details.

Pie charts show parts of a whole while bar graphs compare between categories. For example, you might use a pie chart to show how much money each department in your high school or college has received for the year. You wouldn’t want to use a pie chart with this data because it would be easy to mistake which category had more money since they all represent parts of the whole.

Whether you need a line, bar, or a pie graph maker, Venngage has you covered.

The Scatter Plot

The scatter plot is most commonly used for two variables that represent numerical data and their relationship. While this graph can be useful for showing relationships between more than two variables, it is not the most effective. For example, you might use this type of graph to show how each exam grade relates to the corresponding quiz grades in your class. There are other types of graphs that would be better for showing relationships between more than two categories such as a line or bar graph with error bars.

If you do choose to use a scatter plot for more than two variables in a free online graph maker, it is important to be careful not to confuse people with unneeded details. For example, don’t add unnecessary symbols such as circles or triangles.

Source: Pexels/Pixabay

The Line Graph

The line graph is most commonly used for data that changes over time or as a comparison between different categories. It is probably the easiest type of graph to understand and it is useful for a wide range of data. With a line graph maker online, it would be easy to compare several different categories, and it is good for showing trends over time. If your graph only needs to show comparisons between two things then this might be the best choice.

Box Plot Versus Histogram

The box plot is most commonly used for numerical data that shows variability and distributions. It is a good choice for showing both the median and variability of a data set. For example, you might use this type of graph to show the weight of students in your high school or college as well as a box around the middle 50% for reference.

A histogram can distinguish between several groups whereas a box plot does not. For example, you might use a histogram to show the weight of students in your high school or college organized by gender. This type of graph would allow you to see which gender has a higher weight on average and perhaps if there are any outliers. You wouldn’t want to use a box plot with this data because it would not be able to distinguish between genders.

The box plot and the histogram both show numerical data. However, they are used for slightly different purposes and so it is important to be careful not to confuse people with unneeded details. The box plot is less detailed than the histogram and so it is best for giving an overall view of the data. It also allows you to see both the median and variability of a data set with one graph. The histogram, on the other hand, can distinguish between several groups whereas a box plot does not.

In Summary

There are many different types of graphs that have been developed over time to help tell stories or illustrate concepts with numbers. The key to using these graphs properly is understanding how they work and what they mean when used correctly.

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