Create a probability plot with groups on separate panels

You can create a graph like the following example using data arranged in different layouts in the worksheet.

This probability plot compares the calcium intake of children who attended an education program to the calcium intake of children who did not attend the program.

To create a probability plot with groups on separate panels, choose the layout option that is similar to your worksheet.

Option 1

Follow these steps if your worksheet contains a column of measurement data and at least one column of categorical data for grouping.

Example worksheet

C1 C2-T
Calcium Group
646.72 Control
1120.67 Education
1067.25 Control
... ...
  1. Choose Graph > Probability Plot.
  2. Choose Single, then click OK.
  3. Under Graph variables, enter a column of numeric data. In the example, Calcium is the graph variable.
  4. Click Multiple Graphs, then click the By Variables tab.
  5. In By variables with groups in separate panels, enter a column of categorical data. In the example, Group is the categorical variable for grouping.
  6. Click OK in each dialog box.

Option 2

Follow these steps if your worksheet contains multiple columns of measurement data and each column is a group.

Example worksheet

C1 C2
Control Education
646.72 1120.67
1067.25 1212.86
1099.65 1005.38
... ...
  1. Choose Graph > Probability Plot.
  2. Choose Single, then click OK.
  3. Under Graph variables, enter two or more columns of numeric data. In the example, Control and Education are the graph variables.
  4. Click Multiple Graphs.
  5. Under Show Graph Variables, choose In separate panels of the same graph.
  6. Click OK in each dialog box.
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