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020/Brazoria
2018 Confidence Interval Detail
020/Brazoria
020-907/Columbia-Brazoria ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 200,237,569 | 0.9466 | 211,533,456 | 17 | 2254 | 0.008869065 |
| A | 204,929,471 | 0.9507 | 215,556,402 | 28 | 1406 | 0.007885804 |
| A | 204,383,430 | 0.9835 | 207,812,334 | 21 | 1008 | 0.003824753 |
| A | 162,054,027 | 0.9602 | 168,771,117 | 20 | 532 | 0.007684486 |
| E | 110,915,857 | 0.9547 | 116,178,755 | 10 | 1537 | 0.012996113 |
| F1 | 45,027,986 | 1.0191 | 47,988,901 | 7 | 241 | 0.080420126 |
| F1 | 43,452,105 | 0.8116 | 51,489,637 | 7 | 30 | 0.041813471 |
| Random Totals: | 971,000,445 | 1,019,330,602 | 110 | 7,008 | ||
| CATG D1 EXCEPTION VALUES: | 8,262,698 | 7,451,736 | ||||
| CATG J EXCEPTION VALUES: | 36,422,250 | 36,588,648 | ||||
| Total Test Values(2) | 1,015,685,393 | 1,063,370,986 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 53,168,549 |
Confidence Interval Values(5)
| Local Test Value: | 1,015,685,393 | WITHIN CONFIDENCE INTERVAL |
|---|---|---|
| State Lower Limit: | 1,010,202,437 | (State Test Value minus Margin of Error Percent) |
| State Upper Limit: | 1,116,539,535 | (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