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Brazoria County
2020 Confidence Interval Detail
Brazoria County
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 | 90,839,825 | 0.9405 | 96,586,736 | 18 | 1,084 | 0.025446842 |
| A | 104,071,832 | 0.9437 | 110,280,632 | 22 | 740 | 0.041848719 |
| A | 136,024,903 | 0.9731 | 139,785,123 | 22 | 696 | 0.019176619 |
| A | 162,961,653 | 0.9633 | 169,170,199 | 12 | 522 | 0.016869847 |
| E | 101,302,338 | 0.9491 | 106,735,158 | 11 | 1,092 | 0.042437353 |
| Random Totals: | 595,200,551 | 622,557,848 | 85 | 4,134 | ||
| CATG D1 EXCEPTION VALUES: | 3,188,504 | 2,358,535 | ||||
| CATG J EXCEPTION VALUES: | 17,292,550 | 21,378,880 | ||||
| Total Test Values | 615,681,605 | 646,295,263 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 32,314,763 |
Confidence Interval Values(5)
| Local Test Value: | 615,681,605 | WITHIN CONFIDENCE INTERVAL |
|---|---|---|
| State Lower Limit: | 613,980,500 | (State Test Value minus Margin of Error Percent) |
| State Upper Limit: | 678,610,026 | (State Test Value plus Margin of Error Percent) |
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, D2, E, F1, G1, G2, or L1 marked as exception properties
(5) Unstudied categories and sub-categories were not included in the Confidence Interval Values