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Jeff Davis County
2025 Confidence Interval Detail
Jeff Davis County
122-902/Valentine 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 | 2,725,190 | 0.7089 | 3,844,252 | 10 | 58 | 1,215,268,048 |
| A | 3 | 2,823,640 | 0.7473 | 3,778,456 | 9 | 32 | 1,133,885,371 |
| A | 4 | 3,384,620 | 0.8685 | 3,897,087 | 7 | 20 | 3,208,499,849 |
| A | 5 | 2,863,210 | 0.9682 | 2,957,251 | 5 | 8 | 13,340,371,479 |
| C1 | 2 | 3,229,780 | 1.1615 | 2,780,697 | 13 | 461 | 44,565,328 |
| C1 | 3 | 2,509,470 | 1.3539 | 1,853,512 | 12 | 75 | 92,849,079 |
| C1 | 4 | 2,181,100 | 1.1881 | 1,835,788 | 10 | 37 | 108,952,556 |
| C1 | 5 | 2,667,740 | 1.0679 | 2,498,118 | 8 | 19 | 7,669,016,330 |
| E | 0 | 20,256,260 | 0.9223 | 21,962,767 | 20 | 283 | 1,041,785,200 |
| Random Totals: | 42,641,010 | 45,407,928 | 94 | 993 | |||
| CATG D1 EXCEPTION VALUES: | 6,858,840 | 5,243,601 | |||||
| Total Test Values | 49,499,850 | 50,651,529 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 2,532,576 |
Confidence Interval Values(5)
| Local Test Value: | 49,499,850 | WITHIN CONFIDENCE INTERVAL |
|---|---|---|
| State Lower Limit: | 48,118,953 | (State Test Value minus Margin of Error Percent) |
| State Upper Limit: | 53,184,105 | (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