2007 Confidence Interval Detail
189/Presidio
189-902/Presidio ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 9,854,225 | 0.8112 | 12,147,713 | 13 | 542 | .065808479 |
| A | 9,844,127 | 0.9932 | 9,911,525 | 13 | 322 | .094525890 |
| A | 9,859,934 | 1.1861 | 8,312,903 | 12 | 223 | .042475146 |
| A | 9,827,859 | 1.3255 | 7,414,454 | 12 | 130 | .017939022 |
| C | 1,281,453 | 0.9538 | 1,343,524 | 11 | 1,293 | .069863286 |
| C | 1,144,275 | 0.9723 | 1,176,874 | 11 | 370 | .134297623 |
| C | 1,209,578 | 1.1980 | 1,009,664 | 12 | 203 | .022102264 |
| C | 1,207,766 | 0.9540 | 1,266,002 | 9 | 85 | .015587314 |
| D3 | 14,519,383 | 1.0500 | 13,827,984 | 37 | 3,682 | .210361174 |
| F1 | 3,059,375 | 0.7672 | 3,987,715 | 9 | 99 | .059338030 |
| F1 | 3,175,725 | 0.8073 | 3,933,761 | 14 | 36 | .131634174 |
| F1 | 3,487,629 | 0.7915 | 4,406,354 | 7 | 9 | .116289976 |
| L1 | 1,686,580 | 0.9849 | 1,712,438 | 7 | 63 | .030981083 |
| L1 | 1,660,416 | 1.0710 | 1,550,342 | 8 | 15 | .015256679 |
| L1 | 1,757,743 | 1.0000 | 1,757,743 | 3 | 6 | |
| Random Totals: | 73,576,068 | 73,758,996 | 178 | 7,078 | ||
| Catg J Exception Values: | 2,065,481 | 2,135,841 | ||||
| Catg D1 Exception Values: | 3,117,390 | 3,415,940 | ||||
| Catg F1 Exception Values: | 2,415,500 | 2,519,399 | ||||
| Catg L1 Exception Values: | 1,197,172 | 1,168,418 | ||||
| Total Test Values (4): | 82,371,611 | 82,998,594 |
Margin of Error
| Margin of Error Percent: | 5.0000004 |
|---|---|
| Margin of Error Value: | 4,149,930 |
Confidence Interval Values (5)
| State Lower Limit: | 78,848,664 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 82,371,611 | (Within Confidence Interval) |
| State Upper Limit: | 87,148,524 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 81,329,359 | (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