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Van Zandt County
2023 Confidence Interval Detail
Van Zandt County
234-905/Martins Mill ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 13,128,548 | 1.0456 | 12,555,995 | 11 | 121 | 0.100593299 |
| A | 15,154,980 | 1.1619 | 13,043,274 | 10 | 75 | 0.037718609 |
| A | 14,190,140 | 1.1165 | 12,709,485 | 9 | 48 | 0.035180546 |
| A | 32,429,280 | 1.0984 | 29,524,108 | 9 | 69 | 0.042772072 |
| E | 189,607,310 | 0.9403 | 201,645,549 | 22 | 862 | 0.058910407 |
| Random Totals: | 264,510,258 | 269,478,411 | 61 | 1,175 | ||
| CATG D1 EXCEPTION VALUES: | 6,793,390 | 5,545,446 | ||||
| Total Test Values | 271,303,648 | 275,023,857 |
Margin of Error
| Margin of Error Percent: | 7.6988415 |
|---|---|
| Margin of Error Value: | 21,173,651 |
Confidence Interval Values(5)
| Local Test Value: | 271,303,648 | WITHIN CONFIDENCE INTERVAL |
|---|---|---|
| State Lower Limit: | 253,850,206 | (State Test Value minus Margin of Error Percent) |
| State Upper Limit: | 296,197,508 | (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