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Brazoria County
2020 Confidence Interval Detail
Brazoria County
020-910/Damon ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 5,040,600 | 0.9309 | 5,414,760 | 15 | 132 | 0.065823291 |
| A | 7,046,590 | 0.9729 | 7,242,872 | 15 | 97 | 0.112228928 |
| A | 8,002,286 | 0.9904 | 8,079,853 | 15 | 72 | 0.018608980 |
| A | 9,279,960 | 0.9864 | 9,407,908 | 15 | 47 | 0.032861672 |
| E | 18,392,946 | 0.8090 | 22,735,409 | 18 | 267 | 0.115009544 |
| Random Totals: | 47,762,382 | 52,880,802 | 78 | 615 | ||
| CATG D1 EXCEPTION VALUES: | 3,643,429 | 3,034,645 | ||||
| CATG J EXCEPTION VALUES: | 4,812,220 | 6,331,211 | ||||
| Total Test Values | 56,218,031 | 62,246,658 |
Margin of Error
| Margin of Error Percent: | 6.1675836 |
|---|---|
| Margin of Error Value: | 3,839,115 |
Confidence Interval Values(5)
| Local Test Value: | 56,218,031 | OUTSIDE CONFIDENCE INTERVAL |
|---|---|---|
| State Lower Limit: | 58,407,543 | (State Test Value minus Margin of Error Percent) |
| State Upper Limit: | 66,085,773 | (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