2010 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 | 71,901,056 | 0.9676 | 74,308,656 | 15 | 1,202 | .031069765 |
| A | 68,862,020 | 0.8702 | 79,133,556 | 16 | 686 | .021716690 |
| A | 70,595,881 | 0.9525 | 74,116,410 | 17 | 509 | .019690726 |
| A | 78,215,633 | 0.9558 | 81,832,635 | 16 | 358 | .006524812 |
| D3 | 51,517,315 | 0.9563 | 53,871,500 | 20 | 2,351 | .064736761 |
| G1 | 40,563,849 | 0.9379 | 43,249,652 | 16 | 35 | .168971722 |
| Random Totals: | 381,655,754 | 406,512,409 | 100 | 5,141 | ||
| Catg J Exception Values: | 12,761,554 | 12,809,525 | ||||
| Catg D1 Exception Values: | 3,518,365 | 3,555,274 | ||||
| Catg G1 Exception Values: | 81,779,264 | 83,789,207 | ||||
| Total Test Values (4): | 479,714,937 | 506,666,415 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 25,333,321 |
Confidence Interval Values (5)
| Local Test Value: | 479,714,937 | (Outside Confidence Interval) |
|---|---|---|
| State Lower Limit: | 481,333,094 | (State Test Value minus Margin of Error Percent) |
| State Upper Limit: | 531,999,736 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 1,343,741,238 | (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