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Chapter
18
Complex Samples Ratios
The Complex Samples Ratios procedure displays univariate summary statistics for ratios of
variables. Optionally, you can request statistics by subgroups, defined by one or more categorical
variables.
Using Complex Samples Ratios to Aid Property Value Assessment
A state agency is charged with ensuring that property taxes are fairly assessed from county to
county. Taxes are based on the appraised value of the property, so the agency wants to track
property values across counties to be sure that each county’s records are equally up-to-date.
Since resources for obtaining current appraisals are limited, the agency chose to employ complex
sampling methodology to select properties.
The sample of p roperties selected and their current appraisal information is collected in
property_assess_cs_sample.sav. For more information, see the topic Sample Files in Appendix A
in IBM SPSS Complex Samples 19. Use Complex Samples Ratios to assess the change in property
values across the five counties since the last appraisal.
Running the Analysis
E To run a Complex Samples Ratios analysis, from the menus choose:
Analyze > Complex Samples > Ratios...
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