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020/Brazoria
2018 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 | 681,611,305 | 0.9401 | 725,041,278 | 50 | 6796 | 0.009767928 |
| A | 649,162,417 | 0.9471 | 685,421,198 | 50 | 3972 | 0.001820851 |
| A | 664,481,646 | 0.9559 | 695,137,196 | 50 | 2955 | 0.004354238 |
| A | 743,036,984 | 0.9753 | 761,854,797 | 50 | 2099 | 0.004695232 |
| B | 306,480,623 | 0.7344 | 322,034,909 | 10 | 47 | 0.130129812 |
| F1 | 337,549,610 | 1.0467 | 346,169,224 | 7 | 759 | 0.019199674 |
| F1 | 353,370,384 | 0.9173 | 381,527,083 | 7 | 88 | 0.022397500 |
| L1 | 97,947,850 | 0.9302 | 105,297,624 | 10 | 581 | 0.155586410 |
| L1 | 98,055,540 | 0.9309 | 105,334,128 | 8 | 99 | 0.030508486 |
| L1 | 127,163,260 | 0.9817 | 129,533,727 | 10 | 37 | 0.027475973 |
| L1 | 106,411,740 | 0.9345 | 113,870,241 | 7 | 9 | 0.051195524 |
| Random Totals: | 4,165,271,359 | 4,371,221,405 | 259 | 17,442 | ||
| CATG D1 EXCEPTION VALUES: | 2,286,684 | 2,016,415 | ||||
| Total Test Values(1) | 4,167,558,043 | 4,373,237,820 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 218,661,891 |
Confidence Interval Values(5)
| Local Test Value: | 4,167,558,043 | WITHIN CONFIDENCE INTERVAL |
|---|---|---|
| State Lower Limit: | 4,154,575,929 | (State Test Value minus Margin of Error Percent) |
| State Upper Limit: | 4,591,899,711 | (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