# Excel Tutorial: How To Plot Graph With Two Y Axis In Excel

## Introduction

When it comes to visualizing data in Excel, one of the most powerful tools at your disposal is the ability to plot a graph with two y-axes. This feature allows you to compare two sets of data that may have different units or scales, making it easier to identify patterns and trends. In this tutorial, we will walk through the steps to create a dual y-axis graph in Excel, and highlight the importance of this visualization technique for effective data analysis.

## Key Takeaways

• Creating a graph with two y-axes in Excel allows for effective comparison of two sets of data with different units or scales.
• It is important to understand the relationship between the two sets of data before visualizing them on a dual-axis graph.
• Proper setup and organization of data in Excel is crucial for creating a dual-axis graph.
• Customizing the formatting and appearance of the graph can greatly improve its visual appeal and clarity.
• Fine-tuning the graph, including adjusting scaling and range, is essential for clear presentation of data.

## Understanding the data

When it comes to plotting a graph with two y-axes in Excel, it's important to have a clear understanding of the type of data that is suitable for this type of visualization. Additionally, understanding the relationship between the two sets of data and how they can be effectively visualized on a dual-axis graph is crucial.

A. Discuss the type of data that is suitable for plotting with two y-axes

Not all data sets are suitable for plotting with two y-axes. Typically, this type of graph is used when there are two sets of data that have different units of measurement, but are related in some way. For example, you might want to plot the sales revenue and the number of units sold for a particular product over time. In this case, the revenue is measured in dollars and the number of units sold is measured in units, making it suitable for a dual-axis graph.

B. Explain the relationship between the two sets of data and how they can be effectively visualized on a dual-axis graph

It's important to understand the relationship between the two sets of data in order to effectively visualize them on a dual-axis graph. The primary y-axis is typically used to represent one set of data, while the secondary y-axis is used to represent the other set of data. The relationship between the two sets of data should be such that they can be effectively compared and analyzed when plotted on the same graph. For example, if one set of data shows an increasing trend over time, while the other set of data shows a decreasing trend over time, this relationship can be effectively visualized on a dual-axis graph.

## Setting up the Excel sheet

A. Provide step-by-step instructions on how to input the data into Excel

• Open Excel and create a new worksheet.
• Input the data for both y-axes in separate columns, with the x-axis values in a separate column as well.
• Make sure that the data is entered accurately and in the correct order.

B. Explain how to label the data and ensure it is organized correctly for plotting

• Label the columns for each set of data, including the x-axis and each y-axis.
• Organize the data so that it is easy to identify and use for plotting the graph.
• Check for any errors in the data and make necessary adjustments before proceeding to plot the graph.

## Creating the initial graph

When creating a graph with two y-axes in Excel, it's important to start with the initial graph and then customize it to include the second y-axis. Here's a walk through of the process:

A. Walk through the process of selecting the data and creating a basic graph in Excel

Begin by selecting the data that you want to plot on the graph. This could include multiple sets of data that you want to compare or analyze. Once you have selected the data, go to the "Insert" tab and click on the type of graph you want to create, such as a line graph or bar graph.

B. Explain how to customize the graph to have a second y-axis

Once you have created the basic graph with your selected data, you can customize it to include a second y-axis. To do this, right-click on one of the data series in the graph and select "Format Data Series." In the menu that appears, check the box that says "Secondary Axis." This will create a second y-axis on the graph for that specific data series.

• 1. Adjusting the scale of the second y-axis: After adding the secondary axis, you may need to adjust the scale to ensure that both sets of data are clearly visible on the graph. Right-click on the secondary y-axis and select "Format Axis" to change the scale.
• 2. Adding additional data series to the secondary axis: If you have more data series that you want to plot on the secondary axis, simply repeat the process of right-clicking on the data series and selecting "Format Data Series" to add them to the secondary axis.

By following these steps, you can easily create a graph with two y-axes in Excel, allowing for a more comprehensive and visually appealing representation of your data.

## Formatting the graph

When creating a dual-axis graph in Excel, it's important to not only plot the data accurately but also to format the graph in a way that makes it easy to interpret. Here are some of the formatting options available for dual-axis graphs in Excel:

• Axis titles: Adding clear and descriptive titles to both y-axes can help the reader understand the data being presented.
• Data labels: You can choose to display data labels for each data series to make it easier to read and interpret the graph.
• Gridlines: Adjusting the gridlines can help in aligning the data points and making the graph look organized.
• Colors and styles: Choosing appropriate colors and styles for each data series can make the graph visually appealing and easy to understand.

### Provide tips on how to make the graph visually appealing and easy to understand

Aside from the formatting options, there are some additional tips to consider to ensure that your dual-axis graph is visually appealing and easy to understand:

• Use contrasting colors: When plotting data on dual axes, use contrasting colors for each data series to make it easier to distinguish between the two sets of data.
• Keep it simple: Avoid cluttering the graph with unnecessary elements. Keep the design simple and focus on presenting the data clearly.
• Choose appropriate chart type: Depending on the type of data you are plotting, consider using different chart types, such as line, bar, or scatter plots, to effectively visualize the data.
• Label your data points: Adding clear and informative labels to your data points can help the reader understand the specific values being represented on the graph.

## Fine-tuning the graph

After successfully creating a graph with two y-axes in Excel, there are several ways to fine-tune the graph to make it more visually appealing and to ensure that the data is presented clearly.

A. Adjusting scaling and range of y-axes
• ### Scaling:

When plotting a graph with two y-axes, it is important to ensure that the scaling of both axes is appropriate for the data being presented. You can adjust the scaling by right-clicking on the axis, selecting Format Axis, and then adjusting the Minimum, Maximum, and Major Unit values to best fit the range of your data.
• ### Range:

Additionally, you can adjust the range of both y-axes to ensure that the data is presented clearly. This can be done by right-clicking on the axis, selecting Format Axis, and adjusting the Bounds options to specify the minimum and maximum values for the axis.

B. Customizing the graph
• ### Labels and titles:

To further customize the graph, you can add titles, labels, and data markers to provide additional context and clarity for the reader. This can be done by selecting the graph and then using the Chart Tools options to add or edit titles and labels.
• ### Formatting options:

Excel offers a wide range of formatting options for graphs, including colors, fonts, and styles. You can customize the appearance of the graph by right-clicking on various elements of the graph and selecting Format to change the appearance to fit your specific needs.
• ### Data series:

If you have multiple data series on the graph, you can customize the appearance and formatting of each series to make them easily distinguishable from one another. This can be done by selecting the data series and using the Chart Tools options to change the appearance and formatting.

## Conclusion

In summary, this tutorial has shown you how to plot a graph with two y-axes in Excel by using the dual-axis feature. By following the step-by-step guide, you can easily visualize and compare two sets of data on a single graph, making it easier to identify correlations and trends. We encourage you to practice creating dual-axis graphs in Excel to enhance your data visualization skills and make your reports and presentations more impactful.

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