2009 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 | 10,165,390 | 0.8353 | 12,169,747 | 16 | 549 | .078725468 |
| A | 10,082,887 | 0.8135 | 12,394,452 | 15 | 326 | .036686844 |
| A | 10,376,360 | 0.8323 | 12,467,091 | 15 | 233 | .028548186 |
| A | 10,543,516 | 0.8730 | 12,077,338 | 16 | 139 | .046247777 |
| D3 | 14,826,533 | 0.9119 | 16,258,946 | 22 | 3,841 | .075338561 |
| F1 | 3,036,960 | 0.8548 | 3,552,831 | 7 | 95 | .065679039 |
| F1 | 3,175,670 | 0.8950 | 3,548,235 | 6 | 36 | .024685536 |
| F1 | 3,641,013 | 0.9198 | 3,958,483 | 4 | 10 | .004291600 |
| L1 | 2,034,481 | 1.1869 | 1,714,113 | 6 | 149 | .143256728 |
| L1 | 1,491,311 | 1.1949 | 1,248,063 | 4 | 10 | .094796082 |
| L1 | 2,832,001 | 0.9987 | 2,835,687 | 4 | 6 | .001979837 |
| Random Totals: | 72,206,122 | 82,224,986 | 115 | 5,394 | ||
| Catg J Exception Values: | 2,284,886 | 1,939,190 | ||||
| Catg D1 Exception Values: | 2,588,140 | 3,548,376 | ||||
| Catg F1 Exception Values: | 2,443,040 | 2,303,866 | ||||
| Total Test Values (4): | 79,522,188 | 90,016,418 |
Margin of Error
| Margin of Error Percent: | 5.0000001 |
|---|---|
| Margin of Error Value: | 4,500,821 |
Confidence Interval Values (5)
| Local Test Value: | 79,522,188 | (Outside Confidence Interval) |
|---|---|---|
| State Lower Limit: | 85,515,597 | (State Test Value minus Margin of Error Percent) |
| State Upper Limit: | 94,517,239 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 81,658,585 | (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