2008 Confidence Interval Detail
020/Brazoria
020-905/Brazosport ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 438,502,766 | 1.0549 | 415,681,833 | 49 | 5,990 | .023661752 |
| A | 475,188,157 | 1.0005 | 474,950,682 | 50 | 4,052 | .004065876 |
| A | 493,280,914 | 1.0052 | 490,729,123 | 48 | 2,969 | .004329092 |
| A | 516,957,394 | 0.9863 | 524,138,086 | 49 | 1,810 | .002428778 |
| F1 | 92,246,951 | 0.9277 | 99,436,187 | 11 | 595 | .035696813 |
| F1 | 98,003,140 | 0.8106 | 120,901,974 | 10 | 184 | .060704721 |
| F1 | 85,255,529 | 0.8360 | 101,980,298 | 10 | 64 | .033734224 |
| F1 | 113,126,669 | 0.9126 | 123,960,847 | 10 | 26 | .029132964 |
| L1 | 65,910,990 | 0.9755 | 67,566,366 | 7 | 671 | .009802955 |
| L1 | 67,213,710 | 0.9692 | 69,349,680 | 8 | 145 | .029245279 |
| L1 | 67,510,560 | 0.8647 | 78,073,968 | 6 | 46 | .043569972 |
| L1 | 67,203,520 | 0.8933 | 75,230,628 | 5 | 15 | .022688031 |
| Random Totals: | 2,580,400,300 | 2,641,999,672 | 263 | 16,567 | ||
| Catg D1 Exception Values: | 2,264,710 | 2,446,025 | ||||
| Total Test Values (4): | 2,582,665,010 | 2,644,445,697 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 132,222,285 |
Confidence Interval Values (5)
| State Lower Limit: | 2,512,223,412 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 2,582,665,010 | (Within Confidence Interval) |
| State Upper Limit: | 2,776,667,982 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 7,484,584,692 | (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