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020/Brazoria
2018 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 | 113,180,881 | 0.9661 | 117,152,346 | 7 | 1345 | 0.046906020 |
| A | 99,023,320 | 0.9734 | 101,729,320 | 7 | 695 | 0.012936395 |
| A | 92,660,110 | 0.9717 | 95,358,763 | 7 | 455 | 0.009749538 |
| A | 87,723,475 | 0.9674 | 90,679,631 | 7 | 265 | 0.008018709 |
| E | 80,797,335 | 1.0156 | 79,556,257 | 10 | 1432 | 0.001688191 |
| L1 | 9,229,700 | 1.0142 | 9,100,473 | 9 | 61 | 0.024360689 |
| L1 | 10,758,790 | 0.8015 | 13,423,319 | 6 | 8 | 0.048458163 |
| Random Totals: | 493,373,611 | 507,000,109 | 53 | 4,261 | ||
| CATG D1 EXCEPTION VALUES: | 3,246,933 | 2,848,610 | ||||
| CATG J EXCEPTION VALUES: | 16,736,850 | 16,709,370 | ||||
| CATG L1 EXCEPTION VALUES: | 9,429,890 | 8,037,387 | ||||
| Total Test Values(3) | 522,787,284 | 534,595,476 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 26,729,774 |
Confidence Interval Values(5)
| Local Test Value: | 522,787,284 | WITHIN CONFIDENCE INTERVAL |
|---|---|---|
| State Lower Limit: | 507,865,702 | (State Test Value minus Margin of Error Percent) |
| State Upper Limit: | 561,325,250 | (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