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Jeff Davis County
2019 Confidence Interval Detail
Jeff Davis County
122-902/Valentine ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 1,269,540 | 0.7479 | 1,697,473 | 10 | 52 | 0.156473616 |
| A | 1,354,720 | 0.9733 | 1,391,883 | 7 | 17 | 0.015029059 |
| A | 1,088,020 | 0.8873 | 1,226,214 | 6 | 9 | 0.024382891 |
| A | 1,308,670 | 1.1095 | 1,179,513 | 3 | 5 | 0.018347330 |
| C1 | 1,718,500 | 0.5471 | 3,141,108 | 10 | 831 | 0.004665689 |
| C1 | 12,480 | 0.5595 | 22,306 | 4 | 6 | 0.000002960 |
| C1 | 873,850 | 0.5061 | 1,726,635 | 10 | 307 | 0.010583048 |
| C1 | 812,270 | 0.4356 | 1,864,715 | 9 | 117 | 0.077099764 |
| E | 11,401,750 | 0.9240 | 12,339,556 | 20 | 270 | 0.142751881 |
| Random Totals: | 19,839,800 | 24,589,403 | 79 | 1,614 | ||
| CATG D1 EXCEPTION VALUES: | 7,841,680 | 8,510,062 | ||||
| CATG J EXCEPTION VALUES: | 20,874,710 | 21,365,820 | ||||
| Total Test Values(2) | 48,556,190 | 54,465,285 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 2,723,264 |
Confidence Interval Values(5)
| Local Test Value: | 48,556,190 | OUTSIDE CONFIDENCE INTERVAL |
|---|---|---|
| State Lower Limit: | 51,742,021 | (State Test Value minus Margin of Error Percent) |
| State Upper Limit: | 57,188,549 | (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