2008 Confidence Interval Detail
022/Brewster
022-004/Terlingua CSD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 5,108,971 | 0.8132 | 6,282,552 | 7 | 188 | .225165965 |
| A | 4,939,480 | 1.1640 | 4,243,540 | 7 | 84 | .001288124 |
| A | 5,077,727 | 1.1564 | 4,390,978 | 6 | 47 | .001086796 |
| A | 5,849,054 | 1.1854 | 4,934,245 | 5 | 21 | .001665326 |
| D3 | 18,180,250 | 0.9587 | 18,963,440 | 10 | 3,366 | .003378136 |
| F1 | 3,787,862 | 0.9389 | 4,034,361 | 7 | 37 | .001377239 |
| F1 | 3,213,373 | 0.9165 | 3,506,135 | 4 | 7 | .001135974 |
| F1 | 2,560,888 | 0.9858 | 2,597,776 | 2 | 3 | .000100130 |
| L1 | 693,325 | 1.1003 | 630,124 | 7 | 24 | .002536831 |
| L1 | 375,844 | 1.0971 | 342,580 | 2 | 2 | .004362860 |
| Random Totals: | 49,786,774 | 49,925,731 | 57 | 3,779 | ||
| Catg D1 Exception Values: | 206,685 | 250,669 | ||||
| Catg F1 Exception Values: | 2,859,679 | 2,913,948 | ||||
| Catg L1 Exception Values: | 1,421,260 | 1,348,298 | ||||
| Total Test Values (4): | 54,274,398 | 54,438,646 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 2,721,932 |
Confidence Interval Values (5)
| State Lower Limit: | 51,716,714 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 54,274,398 | (Within Confidence Interval) |
| State Upper Limit: | 57,160,578 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 61,818,971 | (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, D3, 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