Exactly three

To Obtain 3D Scatterplots

1. From the menus, choose:

   Graphs > Chart Builder...

2. Click the Gallery tab.
3. Select Scatter/Dot in the Choose from: list.
4. Drag and drop the 3D Scatter icon into the canvas area of the Chart Builder.
5. Drag and drop a scale variable onto the X-Axis.
6. Drag and drop another scale variable onto the Y-Axis.
7. Drag and drop another scale variable onto the Z-Axis.