2007 Confidence Interval Detail
020/Brazoria
020-902/Angleton ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 195,935,211 | 1.0295 | 190,320,749 | 25 | 2,894 | .011800897 |
| A | 195,864,182 | 1.0117 | 193,599,073 | 24 | 1,926 | .019557704 |
| A | 195,909,399 | 0.9881 | 198,268,798 | 26 | 1,446 | .002592498 |
| A | 195,834,263 | 1.0083 | 194,222,219 | 24 | 854 | .008283207 |
| C | 18,982,628 | 1.1217 | 16,923,088 | 7 | 1,880 | .094421390 |
| C | 18,977,918 | 1.0703 | 17,731,401 | 7 | 603 | .046492990 |
| C | 18,961,321 | 1.0918 | 17,367,028 | 12 | 324 | .022393822 |
| C | 18,908,263 | 1.0724 | 17,631,726 | 10 | 211 | .020076824 |
| D3 | 84,927,000 | 0.9767 | 86,953,005 | 15 | 4,060 | .006964860 |
| F1 | 31,225,521 | 1.0009 | 31,197,443 | 8 | 284 | .050129601 |
| F1 | 31,575,017 | 0.8911 | 35,433,753 | 7 | 97 | .060083766 |
| F1 | 30,665,541 | 0.8506 | 36,051,659 | 6 | 36 | .015190435 |
| F1 | 31,091,239 | 0.9618 | 32,326,096 | 5 | 11 | .016078099 |
| L1 | 20,492,905 | 1.0286 | 19,923,104 | 7 | 310 | .006818421 |
| L1 | 20,578,187 | 1.0034 | 20,508,458 | 6 | 60 | .006233873 |
| L1 | 20,023,121 | 0.7925 | 25,265,768 | 5 | 16 | .052814401 |
| Random Totals: | 1,129,951,716 | 1,133,723,368 | 194 | 15,012 | ||
| Catg J Exception Values: | 44,039,754 | 42,431,368 | ||||
| Catg D1 Exception Values: | 15,723,443 | 16,655,423 | ||||
| Catg L1 Exception Values: | 12,475,030 | 13,800,752 | ||||
| Total Test Values (4): | 1,202,189,943 | 1,206,610,911 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 60,330,546 |
Confidence Interval Values (5)
| State Lower Limit: | 1,146,280,365 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 1,202,189,943 | (Within Confidence Interval) |
| State Upper Limit: | 1,266,941,457 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 2,511,879,939 | (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