2007 Confidence Interval Detail
020/Brazoria
020-906/Sweeny ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 69,432,849 | 1.0981 | 63,229,987 | 31 | 1,225 | .042978747 |
| A | 69,519,632 | 1.0280 | 67,626,101 | 29 | 725 | .005200578 |
| A | 69,588,718 | 1.0326 | 67,391,747 | 15 | 512 | .017374836 |
| A | 69,185,014 | 1.0247 | 67,517,336 | 16 | 310 | .008184671 |
| D3 | 48,184,208 | 0.9143 | 52,700,654 | 12 | 2,294 | .029412846 |
| G1 | 71,646,217 | 0.7657 | 93,569,566 | 8 | 34 | .142035595 |
| Random Totals: | 397,556,638 | 412,035,391 | 111 | 5,100 | ||
| Catg J Exception Values: | 18,536,410 | 13,212,572 | ||||
| Catg D1 Exception Values: | 3,522,510 | 3,716,569 | ||||
| Catg G1 Exception Values: | 82,636,522 | 82,559,084 | ||||
| Total Test Values (4): | 502,252,080 | 511,523,616 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 25,576,181 |
Confidence Interval Values (5)
| State Lower Limit: | 485,947,435 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 502,252,080 | (Within Confidence Interval) |
| State Upper Limit: | 537,099,797 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 1,562,450,863 | (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