About true size, window size, and zoomed size

You can adjust the size of the graph window, the true size of the graph, and the zoomed, or displayed, size.

True size

A graph's true size is its dimensions when it is printed, appended to the ReportPad™, or copied into a different application. For better quality, try increasing the true size instead of resizing a graph by dragging the corner of the graph.

To print a graph at its true size:
  1. With the graph active, choose File > Page Setup.
  2. Deselect Scale to paper size, and click OK.
  3. Choose File > Print Graph, and click OK.
Window size

The window size is the size that the graph window appears in Minitab.

Zoomed size
The zoomed size refers to how magnified the graph is in the graph window. Changing the zoomed size will not affect the true size (printed size) of the graph.

Modify a graph's size

  • To modify the true size or zoomed size of a graph, double-click the graph region or figure region then click the Graph Size tab.
  • To modify the window size of a graph, drag a corner or edge of the graph window.
  • To change the default true size, window size, or zoomed size for all subsequent graphs, choose Tools > Options > Graphics > Graph Size and specify the new default size.

About the aspect ratio

The aspect ratio is the ratio formed when comparing the dimensions of a geometric figure. For example, a square's width and height are equal, so its aspect ratio is 1:1.

In Minitab, the data regions of many graphs have an aspect ratio of 1.5:1, meaning that they are one and a half times as wide as they are tall.

You can change an aspect ratio by modifying the length of each side of the graph. Changes to the aspect ratio of a graph should be informed by process knowledge. Lengthening one axis relative to the other accentuates changes that occur in that direction. Shortening an axis relative to the other mutes changes that occur in that direction. These adjustments can serve to better support and illustrate your data, but used incorrectly, they can misrepresent it as well.

Example of changing the aspect ratio

Numerous products that are sold by weight were purchased from a grocery store. The following scatterplots represent the relationship between the fill weight reported on packages and the actual weight of the product.

Graph with an aspect ratio of 1.5:1

The scales along the x and y axes have the same range of 0 to 10 pounds. Because the scales represent equal ranges of similar units, you may want them to be equal in actual length.

Graph with aspect ratio of 1:1

With an aspect ratio of 1:1, a change of one pound on either axis would move a point the same distance. The new aspect ratio underscores the fact that the scales are similar: a change of one pound on either axis would move a point the same distance.

Change a rectangular graph to a square graph (aspect ratio of 1:1)

  1. Double-click the graph outside the data region.
  2. In the Edit Graph and Figure Regions dialog box, click the Graph Size tab.
  3. Under True Size (inches), choose Custom.
  4. Enter the same number for Width and Height. For example, enter 8 for both. Click OK.
  5. Double-click the data region of the graph.
  6. In the Edit Data Region dialog box, click the Location tab.
  7. Choose Custom.
  8. Enter the same X-minimum and Y-minimum, for example, 0.1. Enter the same X-maximum and Y-maximum, for example, 0.9. The values must be between 0 and 1.
  9. Click OK.
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