2011 Confidence Interval Detail
016/Blanco
016-902/Blanco ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 19,582,730 | 0.9923 | 19,734,687 | 10 | 246 | .011760213 |
| A | 20,195,090 | 1.0145 | 19,906,447 | 10 | 158 | .012054071 |
| A | 19,894,720 | 1.0742 | 18,520,499 | 10 | 98 | .006561011 |
| A | 16,936,950 | 1.0332 | 16,392,712 | 10 | 42 | .010785012 |
| C | 21,520,320 | 1.0151 | 21,200,197 | 23 | 805 | .009205248 |
| C | 17,361,270 | 1.0138 | 17,124,946 | 11 | 466 | .054074623 |
| C | 16,101,290 | 0.9946 | 16,188,709 | 10 | 312 | .027941394 |
| C | 14,019,100 | 0.9589 | 14,619,981 | 10 | 157 | .075960980 |
| D3 | 326,616,295 | 1.0044 | 325,185,479 | 58 | 4,507 | .034210059 |
| F1 | 12,393,210 | 0.9614 | 12,890,795 | 12 | 85 | .002546365 |
| F1 | 11,154,070 | 0.9699 | 11,500,227 | 10 | 37 | .000569811 |
| F1 | 11,380,530 | 0.9839 | 11,566,755 | 7 | 19 | .000384513 |
| F1 | 9,966,720 | 0.9807 | 10,162,863 | 4 | 6 | .002611995 |
| Random Totals: | 517,122,295 | 514,994,297 | 185 | 6,938 | ||
| Catg D1 Exception Values: | 8,953,556 | 8,321,053 | ||||
| Total Test Values (4): | 526,075,851 | 523,315,350 |
Margin of Error
| Margin of Error Percent: | 5.0000001 |
|---|---|
| Margin of Error Value: | 26,165,768 |
Confidence Interval Values (5)
| State Lower Limit: | 497,149,582 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 526,075,851 | (Within Confidence Interval) |
| State Upper Limit: | 549,481,118 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 519,949,981 | (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