### Insert scatter plot in excel mac

Just two sets of numbers. Do you want to see how the two sets are related to each other?

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The scatter plot is the ideal graph choice for this. A scatter plot also called an XY graph , or scatter diagram is a two-dimensional chart that shows the relationship between two variables. In a scatter graph, both horizontal and vertical axes are value axes that plot numeric data. Typically, the independent variable is on the x-axis, and the dependent variable on the y-axis. The chart displays values at the intersection of an x and y axis, combined into single data points.

The main purpose of a scatter plot is to show how strong the relationship, or correlation , between the two variables is. The tighter the data points fall along a straight line, the higher the correlation.

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With a variety of inbuilt chart templates provided by Excel, creating a scatter diagram turns into a couple-of-clicks job. But first, you need to arrange your source data properly. As already mentioned, a scatter graph displays two interrelated quantitative variables. So, you enter two sets of numeric data into two separate columns.

## Numbers for Mac: Create scatter charts and bubble charts in a Numbers spreadsheet

For ease of use, the independent variable should be in the left column as this column is going to be plotted on the x axis. The dependent variable the one affected by the independent variable should be in the right column, and it will be plotted on the y axis. In our example, we are going to visualize the relationship between the advertising budget for a certain month independent variable and the number of items sold dependent variable , so we arrange the data accordingly: With the source data correctly organized, making a scatter plot in Excel takes these two quick steps:.

The scatter diagram will be immediately inserted in your worksheet: Basically, you may consider the work done. Or, you can customize some elements of your graph to make it look more beautiful and to convey the correlation between the two variables clearer. Scatter with lines is best to be used when you have few data points. For example, here's how you can represent the data for the first four months by using the scatter graph with smooth lines and markers: The Excel XY plot templates can also draw each variable separately , presenting the same relationships in a different way.

For this, you should select 3 columns with data - the leftmost column with text values labels , and the two columns with numbers. In our example, the blue dots represent advertising cost, and orange dots represent the items sold: To view all available scatter types in one place, select your data, click the Scatter X, Y icon on the ribbon, and then click More Scatter Charts… This will open the Inset Chart dialog box with the XY Scatter type selected, and you switch between the different templates at the top to see which one provides the best graphic representation of your data: Unlike a classic XY scatter chart, a 3D scatter plot displays data points on three axes x, y, and z in order to show the relationship between three variables.

Therefore, it is often called an XYZ plot. Regrettably, there is no way to create a 3D scatter plot in Excel, even in the new version of Excel If you strongly need this chart type for your data analysis, consider using some third-party tool, like plot.

## How do I add a X Y (scatter) axis label on Excel for Mac 2016?

The screenshot below shows what kind of a 3D scatter graph this tool can draw: To interpret the scatter plot correctly, you need to understand how the variables can relate to each other. Overall, there exist three types of correlation:. Positive Correlation - as the x variable increases, so does the y variable. An example of a strong positive correlation is the amount of time the students spend studying and their grades.

Negative Correlation - as the x variable increase, the y variable decreases. Ditching classes and grades are negatively correlated - as the number of absences increases, the exam scores decrease. No Correlation - there is no evident relationship between the two variables; the dots are scattered around the entire chart area.

For example, students' height and grades appear to have no correlation as the former does not affect the latter in any way. As with other chart types, nearly each element of a scatter graph in Excel is customizable. In case your data points are clustered at the top, bottom, right, or left side of the graph, you may want to clean up the extra white space.

The below screenshot shows my settings: When creating a scatter graph with a relatively small number of data points, you may wish to label the points by name to make your visual better understandable. Here's how you can do this:. That's it! All data points in our Excel scatter plot are now labeled by name: When two or more data points are very close to each other, their labels may overlap, as is the case with the Jan and Mar labels in our scatter diagram.

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To fix this, click on the labels, and then click on the overlapping one so that only that label gets selected. Point your mouse cursor to the selected label until the cursor changes to the four-sided arrow, and then drag the label to the desired position. As the result, you will have a nice Excel scatter plot with perfectly legible labels: Add a trendline and equation To better visualize the relationship between the two variables, you can draw a trendline in your Excel scatter graph, also called a line of best fit.

To have it done, right click on any data point and choose Add Trendline… from the context menu. Excel will draw a line as close as possible to all data points so that there are as many points above the line as below.

## Numbers for Mac: Create scatter charts and bubble charts in a Numbers spreadsheet

Additionally, you can show the equation for the trendline that mathematically describes the relationship between the two variables. For this, check the Display Equation on Chart box on the Format Trendline pane that should appear in the right part of your Excel window immediately after you've added a trendline. The result of these manipulations will look similar to this:.

What you see in the screenshot above is often called the linear regression graph , and you can find the detailed guidelines on how to create it here: How to make a linear regression graph in Excel. A bubble chart is a type of scatter chart in which the data are plotted as bubbles of varying sizes, rather than as points. Each data series in a bubble chart includes a third dimension that conveys the relationship between the compared values x and y and a size value z.

The size value determines the size of the bubble. By default, each data series in a bubble chart shares the x-axis value, so you need to add only two additional rows or columns of data to show another data series. If you choose to use independent x-axis values, you need to add three additional rows or columns x, y, and z to show another data series.

The bubble chart below shows how the number of units sold y varies with the number of salespeople x. The data is plotted as bubbles of varying sizes—the larger the bubble, the higher the total sales amount z. To create these charts you can add a chart to a sheet first, then select the table cells with the data you want to use. Or, you can select the cells first, then create a chart that displays the data. Either way, when you change the data in the table, the chart updates automatically. If the data in your table is categorized , you can select a column to plot the results of a summary row calculation.

Click in the toolbar , then click 2D or Interactive there are no 3D scatter charts. Select the table rows or columns that have the data you want to use by clicking the numbers or letters for those rows or columns. If you select more than two columns: The first column selected determines the x-axis values, and each additional column selected creates a new series and determines the y-axis values for that series.

If you select two columns: The scatter chart plots one data series. The first column selected determines the x-axis values, and the second column determines the y-axis values. To have each series use a different column for the x-axis values, click the pop-up menu in the bar at the bottom of the window and choose Share X Values to remove the checkmark.

If you select only a single column: The scatter chart plots the data similar to a line chart, with the values from the selected column along the y-axis. To change whether rows or columns are plotted as series, choose an option from the pop-up menu in the bar at the bottom of the window. Click in the toolbar , click 2D or Interactive there are no 3D bubble charts. Select the table rows or columns with the data you want to use by clicking the numbered or lettered bar for those rows or columns.

Plot one data series: Select three columns. The first column selected determines the x-axis values, the second column determines the y-axis values, and the third column determines the size of the bubble. Plot more than one data series: Select sets of three columns.

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The bubble chart plots each group of three columns as one data series.