2008 Confidence Interval Detail
015/Bexar
015-912/Southwest ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 196,789,447 | 0.9835 | 200,090,948 | 44 | 3,569 | .037750800 |
| A | 199,611,957 | 0.9536 | 209,324,619 | 53 | 2,625 | .018831269 |
| A | 235,235,535 | 0.9817 | 239,620,592 | 61 | 2,355 | .030925571 |
| A | 266,982,333 | 1.0211 | 261,465,413 | 60 | 1,677 | .006785482 |
| D3 | 127,255,940 | 1.0398 | 122,385,016 | 15 | 2,372 | .001851529 |
| F1 | 32,260,061 | 0.9541 | 33,812,033 | 7 | 200 | .044317506 |
| F1 | 33,445,858 | 0.9343 | 35,797,772 | 6 | 61 | .023583424 |
| F1 | 43,129,511 | 1.0238 | 42,126,891 | 6 | 36 | .006542376 |
| F1 | 31,976,060 | 0.9543 | 33,507,346 | 5 | 13 | .014962796 |
| L1 | 19,148,555 | 1.1008 | 17,395,126 | 7 | 139 | .052944793 |
| L1 | 22,296,724 | 1.0512 | 21,210,734 | 5 | 30 | .002568505 |
| L1 | 21,511,780 | 1.0350 | 20,784,329 | 2 | 8 | .002355530 |
| Random Totals: | 1,229,643,761 | 1,237,520,819 | 271 | 13,085 | ||
| Catg D1 Exception Values: | 4,565,874 | 5,179,664 | ||||
| Catg L1 Exception Values: | 57,112,460 | 57,506,309 | ||||
| Total Test Values (4): | 1,291,322,095 | 1,300,206,792 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 65,010,340 |
Confidence Interval Values (5)
| State Lower Limit: | 1,235,196,452 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 1,291,322,095 | (Within Confidence Interval) |
| State Upper Limit: | 1,365,217,132 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 1,555,224,971 | (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