2008 Confidence Interval Detail
020/Brazoria
020-904/Danbury ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 21,841,275 | 0.9600 | 22,751,328 | 12 | 304 | .043037851 |
| A | 23,270,700 | 1.0915 | 21,319,927 | 13 | 225 | .016589239 |
| A | 22,706,150 | 1.0435 | 21,759,607 | 12 | 159 | .023642471 |
| A | 28,069,510 | 0.9686 | 28,979,465 | 12 | 122 | .011159231 |
| D3 | 30,678,291 | 0.9428 | 32,539,553 | 22 | 1,055 | .100706424 |
| F1 | 1,826,290 | 0.8329 | 2,192,688 | 5 | 15 | .135915853 |
| F1 | 3,025,130 | 0.9236 | 3,275,368 | 6 | 9 | .026677331 |
| F1 | 3,170,250 | 0.8599 | 3,686,766 | 3 | 3 | .000138266 |
| G1 | 6,233,700 | 0.7611 | 8,190,382 | 9 | 24 | .987656426 |
| L1 | 1,221,190 | 1.2726 | 959,602 | 5 | 17 | .035594249 |
| L1 | 1,358,160 | 1.0030 | 1,354,098 | 3 | 6 | .000108933 |
| Random Totals: | 143,400,646 | 147,008,784 | 102 | 1,939 | ||
| Catg J Exception Values: | 7,693,024 | 7,991,203 | ||||
| Catg D1 Exception Values: | 3,553,421 | 3,892,328 | ||||
| Catg F1 Exception Values: | 4,105,160 | 4,136,467 | ||||
| Catg G1 Exception Values: | 2,960,320 | 2,768,049 | ||||
| Catg L1 Exception Values: | 7,744,630 | 9,319,676 | ||||
| Total Test Values (4): | 169,457,201 | 175,116,507 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 8,755,825 |
Confidence Interval Values (5)
| State Lower Limit: | 166,360,682 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 169,457,201 | (Within Confidence Interval) |
| State Upper Limit: | 183,872,332 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 170,597,210 | (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