Skip navigation
Top navigation skipped
Presidio County
2025 Confidence Interval Detail
Presidio County
189-901/Marfa 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 | 87,251,440 | 0.9840 | 88,670,163 | 16 | 454 | 6,268,249,493 |
| A | 3 | 83,278,842 | 1.1350 | 73,373,429 | 16 | 245 | 5,545,398,521 |
| A | 4 | 93,694,371 | 1.3173 | 71,126,069 | 16 | 191 | 10,552,782,265 |
| A | 5 | 86,774,727 | 1.0374 | 83,646,353 | 15 | 104 | 281,314,671,882 |
| E | 0 | 67,381,130 | 1.0230 | 65,866,207 | 21 | 989 | 137,369,187,964 |
| F1 | 2 | 12,781,926 | 0.8725 | 14,649,772 | 14 | 66 | 11,057,778,785 |
| F1 | 3 | 13,853,080 | 1.0202 | 13,578,788 | 11 | 33 | 14,080,526,119 |
| F1 | 4 | 21,875,683 | 0.7390 | 29,601,736 | 8 | 19 | 2,040,386,494,006 |
| Random Totals: | 466,891,199 | 440,512,517 | 117 | 2,101 | |||
| CATG D1 EXCEPTION VALUES: | 10,592,746 | 8,647,105 | |||||
| CATG F1 EXCEPTION VALUES: | 10,370,000 | 16,569,833 | |||||
| Total Test Values | 487,853,945 | 465,729,455 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 23,286,473 |
Confidence Interval Values(5)
| Local Test Value: | 487,853,945 | WITHIN CONFIDENCE INTERVAL |
|---|---|---|
| State Lower Limit: | 442,442,982 | (State Test Value minus Margin of Error Percent) |
| State Upper Limit: | 489,015,928 | (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