Weighting the Cases

  1. Since the accidents have been aggregated, you first need to weight the cases by Accidents. From the menus choose:

    Data > Weight Cases...

    Figure 1. Weight Cases main dialog box
    The Weight Cases main dialog box. What's selected?
  2. In the Weight Cases dialog, select Weight cases by.
  3. Select Accidents as the frequency variable.
  4. Click OK.

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