2009 Confidence Interval Detail
015/Bexar
046-902/Comal ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 396,819,210 | 1.0247 | 387,254,035 | 52 | 2,113 | .007798327 |
| A | 359,701,059 | 1.0267 | 350,346,799 | 52 | 1,542 | .009058583 |
| A | 312,556,495 | 0.9768 | 319,980,032 | 52 | 1,115 | .006738628 |
| A | 350,930,560 | 1.0356 | 338,866,898 | 38 | 857 | .016062225 |
| Random Totals: | 1,420,007,324 | 1,396,447,764 | 194 | 5,627 | ||
| Catg D1 Exception Values: | 916,530 | 1,052,127 | ||||
| Total Test Values (4): | 1,420,923,854 | 1,397,499,891 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 69,874,995 |
Confidence Interval Values (5)
| State Lower Limit: | 1,327,624,896 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 1,420,923,854 | (Within Confidence Interval) |
| State Upper Limit: | 1,467,374,886 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 1,620,850,964 | (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