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Jeff Davis County
2024 Confidence Interval Detail
Jeff Davis County
122-901/Fort Davis 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 | 38,272,156 | 1.0358 | 36,949,369 | 14 | 381 | 0.224641555 |
| A | 3 | 44,650,797 | 1.0968 | 40,710,063 | 12 | 239 | 0.127346638 |
| A | 4 | 53,277,953 | 0.9243 | 57,641,408 | 12 | 194 | 0.059264306 |
| A | 5 | 76,511,890 | 1.1139 | 68,688,293 | 14 | 163 | 0.054565096 |
| E | 0 | 45,421,154 | 1.0156 | 44,723,468 | 19 | 242 | 0.142577003 |
| F1 | 2 | 4,883,809 | 0.8762 | 5,573,852 | 8 | 34 | 0.054479872 |
| F1 | 3 | 7,587,860 | 1.0619 | 7,145,550 | 7 | 24 | 0.055883227 |
| F1 | 4 | 6,439,820 | 0.9031 | 7,130,794 | 5 | 10 | 0.030636158 |
| F1 | 5 | 7,218,990 | 0.9136 | 7,901,697 | 2 | 4 | 0.010286711 |
| Random Totals: | 284,264,429 | 276,464,494 | 93 | 1,291 | |||
| CATG D1 EXCEPTION VALUES: | 14,752,950 | 10,784,158 | |||||
| CATG J EXCEPTION VALUES: | 16,611,590 | 17,481,947 | |||||
| Total Test Values | 315,628,969 | 304,730,599 |
Margin of Error
| Margin of Error Percent: | 5.9912336 |
|---|---|
| Margin of Error Value: | 18,257,122 |
Confidence Interval Values(5)
| Local Test Value: | 315,628,969 | WITHIN CONFIDENCE INTERVAL |
|---|---|---|
| State Lower Limit: | 286,473,477 | (State Test Value minus Margin of Error Percent) |
| State Upper Limit: | 322,987,721 | (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