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122/Jeff Davis
2018 Confidence Interval Detail
122/Jeff Davis
122-901/Fort Davis ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 28,559,890 | 0.6873 | 41,553,747 | 15 | 400 | .083182269 |
| A | 29,575,480 | 0.8645 | 34,211,082 | 15 | 226 | .038999885 |
| A | 28,355,440 | 0.8823 | 32,138,094 | 15 | 147 | .041461541 |
| A | 28,721,270 | 0.9291 | 30,913,002 | 15 | 90 | .005386962 |
| C1 | 3,572,730 | 0.9786 | 3,650,858 | 9 | 142 | .057547026 |
| C1 | 2,591,430 | 0.9392 | 2,759,189 | 9 | 62 | .003959883 |
| C1 | 3,050,980 | 0.8868 | 3,440,438 | 8 | 45 | .003842795 |
| C1 | 3,048,830 | 0.9751 | 3,126,684 | 7 | 22 | .019142004 |
| E | 28,517,590 | 0.9248 | 30,836,494 | 20 | 231 | .046274701 |
| F1 | 4,171,700 | 1.0539 | 3,958,345 | 10 | 37 | .053417208 |
| F1 | 4,181,520 | 0.8857 | 4,721,147 | 8 | 17 | .115846328 |
| F1 | 4,817,260 | 1.0290 | 4,681,497 | 7 | 8 | .007934859 |
| Random Totals: | 169,164,120 | 195,990,577 | 138 | 1,427 | ||
| Catg D1 Exception Values: | 14,211,710 | 15,213,360 | ||||
| Catg F1 Exception Values: | 3,254,750 | 3,177,051 | ||||
| Total Test Values (4): | 186,630,580 | 214,380,988 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 10,719,049 |
Confidence Interval Values (5)
| Local Test Value: | 186,630,580 | (Outside Confidence Interval) |
|---|---|---|
| State Lower Limit: | 203,661,939 | (State Test Value minus Margin of Error Percent) |
| State Upper Limit: | 225,100,037 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 219,204,900 | (See ISD Summary Worksheet) |
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
(6) Includes local value of unstudied property categories and sub-categories