2008 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 | 201,181,381 | 1.0404 | 193,369,263 | 37 | 3,024 | .023587088 |
| A | 188,962,645 | 1.0716 | 176,336,921 | 38 | 1,882 | .031824143 |
| A | 204,982,625 | 0.9924 | 206,552,423 | 37 | 1,516 | .004586427 |
| A | 217,022,982 | 1.0002 | 216,979,586 | 36 | 909 | .004391272 |
| C | 21,290,290 | 1.0849 | 19,624,196 | 20 | 1,906 | .015299649 |
| C | 21,804,118 | 1.0095 | 21,598,928 | 21 | 640 | .007225451 |
| C | 26,592,210 | 1.0565 | 25,170,099 | 18 | 511 | .014393079 |
| C | 15,537,860 | 1.0374 | 14,977,694 | 8 | 195 | .005190898 |
| D3 | 91,246,580 | 0.9892 | 92,242,802 | 19 | 4,110 | .099460587 |
| F1 | 31,142,360 | 0.9030 | 34,487,663 | 7 | 281 | .033701196 |
| F1 | 34,159,640 | 0.8225 | 41,531,477 | 7 | 110 | .053271234 |
| F1 | 29,948,560 | 0.6486 | 46,174,160 | 6 | 37 | .176926609 |
| F1 | 34,407,620 | 0.9580 | 35,916,096 | 4 | 14 | .036680423 |
| L1 | 20,738,560 | 1.0160 | 20,411,969 | 7 | 329 | .001926128 |
| L1 | 22,601,240 | 1.0262 | 22,024,206 | 6 | 62 | .002950715 |
| L1 | 20,543,630 | 0.9986 | 20,572,431 | 5 | 16 | .001153208 |
| L1 | 15,218,420 | 0.9392 | 16,203,599 | 3 | 4 | .008322719 |
| Random Totals: | 1,197,380,721 | 1,204,173,513 | 279 | 15,546 | ||
| Catg J Exception Values: | 52,477,003 | 53,892,978 | ||||
| Catg D1 Exception Values: | 15,482,354 | 17,016,341 | ||||
| Total Test Values (4): | 1,265,340,078 | 1,275,082,832 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 63,754,142 |
Confidence Interval Values (5)
| State Lower Limit: | 1,211,328,690 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 1,265,340,078 | (Within Confidence Interval) |
| State Upper Limit: | 1,338,836,974 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 2,628,750,431 | (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