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Complex Samples Ratios
Some of the confidence intervals do not overlap; thus, you can conclude that the ratios for the
Western county are higher than the ratios for the Northern and Southern co unties.
Finally, as a more objective measure, note that the significance values of the t tests for the
Western and Southern counties are less than 0.05. Thus, you can conclude that the ratio for
the Western county is greater than 1.3 and the ratio for the Southern county is less than 1.3.
Summary
Using the Complex Samples Ratios procedure, you have obtained various statistics for the ratios
of Current value to Value at last appraisal. The results suggest that there may be certain inequities
in the assessment of property taxes from county to county, namely:
The ratios for the Western county are high, indicating that their records are not as up-to-date
as other counties with respect to the appreciation of property values. Property taxes are
probably too low in this county.
The ratios for the Southern county are low, indicating that their records are more up-to-date
than the other counties with respect to the appreciation of property values. Property taxes are
probably too high in this county.
The ratios for the Southern county are lower than those of the Western county but are still
within the objective goal of 1.3.
Resources used to track property values in the Southern county will be reassigned to the Western
county to bring these counties’ ratios in line with the others and with the goal of 1.3.
Related Procedures
The Complex Samples Ratios procedure is a useful tool for obtaining univariate descriptive
statistics of the ratio of scale measures for observations obtained via a complex sampling design.
The Complex Samples Sampling Wizard is used to specify complex sampling design
specifications and obtain a sample. The sampling plan file created by the Sampling Wizard
contains a default analysis plan and can be specified in the Plan dialog box when you are
analyzing the sample obtained according to that plan.
The Complex Samples Analysis Preparation Wizard is used to set analysis specifications for
an existing complex sample. The analysis plan file created by the Sampling Wizard can be
specified in the Plan dialog box when you are analyzing the sample corresponding to that plan.
The Complex Samples Descriptives procedure provides descriptive statistics for scale
variables.