2008 Confidence Interval Detail
234/Van Zandt
234-906/Van ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 47,490,460 | 1.0580 | 44,887,013 | 21 | 946 | .051209744 |
| A | 54,193,230 | 0.8927 | 60,707,102 | 17 | 677 | .068794031 |
| A | 54,442,760 | 0.9887 | 55,064,994 | 15 | 477 | .025614506 |
| A | 56,016,020 | 0.9990 | 56,072,092 | 15 | 311 | .037328484 |
| D3 | 190,664,500 | 0.8062 | 236,497,767 | 50 | 5,664 | .396524861 |
| G1 | 17,251,652 | 1.1439 | 15,081,434 | 7 | 52 | .070615961 |
| G1 | 17,150,312 | 1.2003 | 14,288,355 | 5 | 16 | .060675334 |
| G1 | 20,223,047 | 0.9960 | 20,304,264 | 3 | 5 | .000562791 |
| Random Totals: | 457,431,981 | 502,903,021 | 133 | 8,148 | ||
| Catg D1 Exception Values: | 11,419,520 | 7,842,815 | ||||
| Catg G1 Exception Values: | 54,769,588 | 51,932,149 | ||||
| Total Test Values (4): | 523,621,089 | 562,677,985 |
Margin of Error
| Margin of Error Percent: | 7.5932480 |
|---|---|
| Margin of Error Value: | 42,725,535 |
Confidence Interval Values (5)
| State Lower Limit: | 519,952,450 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 523,621,089 | (Within Confidence Interval) |
| State Upper Limit: | 605,403,520 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 506,453,811 | (See ISD Summary Worksheet) |
Sources:
(1) See Stratified Category Worksheet Reports PTS236, PTS430
(2) Number of parcels sampled by staff
(3) Total Category Parcels from Stratification Report, Appraisal Roll, or Self-report
(4) Includes any parcels in A, B, C, D3, F1, G1, G2, or L1 marked as exception properties
(5) Unstudied categories and sub-categories were not included in the Confidence Interval Values
(6) Includes local value of unstudied property categories and sub-categories