2007 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 | 202,515,814 | 0.9252 | 218,888,688 | 59 | 3,196 | .033815953 |
| A | 202,616,787 | 0.9709 | 208,689,656 | 41 | 2,452 | .034531943 |
| A | 202,417,212 | 0.9838 | 205,750,368 | 60 | 1,964 | .015660340 |
| A | 202,362,136 | 0.9779 | 206,935,409 | 54 | 1,221 | .011588848 |
| D3 | 118,368,333 | 1.0157 | 116,538,676 | 12 | 2,366 | .003709966 |
| F1 | 32,035,960 | 0.8947 | 35,806,371 | 11 | 190 | .040592323 |
| F1 | 32,375,325 | 0.9664 | 33,500,957 | 10 | 51 | .027530757 |
| F1 | 63,034,090 | 0.9405 | 67,021,893 | 10 | 21 | .068728054 |
| L1 | 16,114,754 | 1.0544 | 15,283,340 | 11 | 133 | .021526386 |
| L1 | 16,842,860 | 1.1399 | 14,775,735 | 7 | 17 | .062126885 |
| L1 | 19,398,603 | 0.9965 | 19,466,737 | 2 | 4 | .005861788 |
| Random Totals: | 1,108,081,874 | 1,142,657,830 | 277 | 11,615 | ||
| Catg D1 Exception Values: | 4,317,119 | 5,686,872 | ||||
| Catg L1 Exception Values: | 10,040,800 | 8,468,515 | ||||
| Total Test Values (4): | 1,122,439,793 | 1,156,813,217 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 57,840,661 |
Confidence Interval Values (5)
| State Lower Limit: | 1,098,972,556 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 1,122,439,793 | (Within Confidence Interval) |
| State Upper Limit: | 1,214,653,878 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 1,400,604,118 | (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
