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Van Zandt County
2025 Confidence Interval Detail
Van Zandt County
234-905/Martins Mill ISD
Category Summary
| (1) Category |
(1) Stratum Number |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|---|
| A | 2 | 21,946,283 | 0.9529 | 23,031,045 | 13 | 158 | 2,899,579,351 |
| A | 3 | 18,681,291 | 0.9120 | 20,483,872 | 12 | 74 | 4,585,003,093 |
| A | 4 | 21,872,190 | 1.0362 | 21,108,078 | 12 | 62 | 3,165,621,672 |
| A | 5 | 24,737,140 | 1.0088 | 24,521,352 | 10 | 47 | 27,975,801,756 |
| E | 0 | 177,472,855 | 0.8946 | 198,382,355 | 20 | 899 | 52,914,221,723 |
| Random Totals: | 264,709,759 | 287,526,702 | 67 | 1,240 | |||
| CATG D1 EXCEPTION VALUES: | 6,887,330 | 6,350,750 | |||||
| Total Test Values | 271,597,089 | 293,877,452 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 14,693,873 |
Confidence Interval Values(5)
| Local Test Value: | 271,597,089 | OUTSIDE CONFIDENCE INTERVAL |
|---|---|---|
| State Lower Limit: | 279,183,579 | (State Test Value minus Margin of Error Percent) |
| State Upper Limit: | 308,571,325 | (State Test Value plus Margin of Error Percent) |
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, D2, E, F1, G1, G2, or L1 marked as exception properties
(5) Unstudied categories and sub-categories were not included in the Confidence Interval Values