2009 Confidence Interval Detail
015/Bexar
015-907/San Antonio ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 1,569,690,352 | 1.0422 | 1,506,131,599 | 66 | 30,070 | .070627538 |
| A | 1,341,535,519 | 0.9838 | 1,363,626,264 | 70 | 18,381 | .027429496 |
| A | 1,315,040,160 | 1.0023 | 1,312,022,508 | 70 | 13,062 | .028161981 |
| A | 1,591,889,255 | 1.0376 | 1,534,203,214 | 69 | 6,279 | .028599462 |
| B | 190,855,503 | 1.0508 | 181,628,762 | 25 | 2,080 | .044661624 |
| B | 192,300,352 | 1.1087 | 173,446,696 | 16 | 911 | .046976393 |
| B | 181,767,253 | 1.0394 | 174,877,095 | 7 | 209 | .028555136 |
| B | 214,225,059 | 1.0033 | 213,520,442 | 6 | 45 | .009760705 |
| F1 | 1,091,947,255 | 0.9768 | 1,117,882,120 | 17 | 3,130 | .007250003 |
| F1 | 1,096,806,584 | 0.9238 | 1,187,277,099 | 7 | 452 | .014395119 |
| F1 | 1,142,715,846 | 0.8497 | 1,344,846,235 | 6 | 87 | .004365379 |
| F1 | 1,054,470,619 | 0.9797 | 1,076,319,913 | 5 | 16 | .015369249 |
| L1 | 330,820,650 | 1.0583 | 312,596,286 | 7 | 2,085 | .005415393 |
| L1 | 354,176,979 | 1.1885 | 298,003,348 | 7 | 352 | .093193583 |
| L1 | 291,831,138 | 1.0438 | 279,585,302 | 7 | 95 | .031365290 |
| L1 | 423,512,838 | 1.0681 | 396,510,475 | 6 | 38 | .001862909 |
| Random Totals: | 12,383,585,362 | 12,472,477,358 | 391 | 77,292 | ||
| Catg D1 Exception Values: | 180,378 | 209,394 | ||||
| Total Test Values (4): | 12,383,765,740 | 12,472,686,752 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 623,634,338 |
Confidence Interval Values (5)
| State Lower Limit: | 11,849,052,414 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 12,383,765,740 | (Within Confidence Interval) |
| State Upper Limit: | 13,096,321,090 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 12,183,499,751 | (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