2009 Confidence Interval Detail
015/Bexar
015-911/East Central ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 288,408,591 | 1.0816 | 266,649,955 | 52 | 3,904 | .056078614 |
| A | 285,271,416 | 1.0014 | 284,872,594 | 55 | 2,666 | .025042603 |
| A | 278,183,075 | 1.0365 | 268,386,951 | 55 | 1,997 | .013790868 |
| A | 251,571,439 | 1.0097 | 249,154,639 | 28 | 1,178 | .014360064 |
| D3 | 173,263,404 | 1.0567 | 163,966,503 | 16 | 5,537 | .064894568 |
| F1 | 60,836,450 | 0.8908 | 68,294,174 | 7 | 332 | .031492609 |
| F1 | 58,248,038 | 1.0263 | 56,755,372 | 7 | 102 | .048696348 |
| F1 | 66,413,454 | 0.9507 | 69,857,425 | 6 | 37 | .030281244 |
| F1 | 47,706,812 | 0.9513 | 50,149,072 | 4 | 8 | .000336466 |
| L1 | 47,417,737 | 1.0252 | 46,252,182 | 7 | 247 | .014152833 |
| L1 | 52,446,697 | 0.9642 | 54,394,002 | 7 | 50 | .006346392 |
| L1 | 29,690,818 | 1.1342 | 26,177,762 | 5 | 12 | .015435825 |
| L1 | 62,570,480 | 0.9066 | 69,016,634 | 3 | 10 | .005792620 |
| Random Totals: | 1,702,028,411 | 1,673,927,265 | 252 | 16,080 | ||
| Catg D1 Exception Values: | 7,522,934 | 8,428,515 | ||||
| Total Test Values (4): | 1,709,551,345 | 1,682,355,780 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 84,117,789 |
Confidence Interval Values (5)
| State Lower Limit: | 1,598,237,991 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 1,709,551,345 | (Within Confidence Interval) |
| State Upper Limit: | 1,766,473,569 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 1,823,407,950 | (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