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Brazoria County
2023 Confidence Interval Detail
Brazoria County
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 | 249,673,521 | 1.0061 | 248,159,747 | 27 | 1,774 | 0.012227938 |
| A | 331,621,464 | 1.0457 | 317,128,683 | 44 | 1,531 | 0.012150224 |
| A | 454,058,155 | 1.0564 | 429,816,504 | 55 | 1,530 | 0.009264646 |
| A | 774,472,357 | 1.0617 | 729,464,403 | 82 | 1,688 | 0.025533253 |
| E | 273,399,544 | 0.9933 | 275,243,677 | 10 | 1,418 | 0.117845856 |
| F1 | 25,438,788 | 1.1025 | 23,073,731 | 13 | 156 | 0.057203854 |
| F1 | 49,455,383 | 1.0016 | 49,376,381 | 11 | 115 | 0.010635732 |
| F1 | 33,381,141 | 1.0278 | 32,478,246 | 9 | 32 | 0.003918404 |
| F1 | 72,121,129 | 0.9380 | 76,888,197 | 6 | 28 | 0.008143417 |
| Random Totals: | 2,263,621,482 | 2,181,629,569 | 257 | 8,272 | ||
| CATG D1 EXCEPTION VALUES: | 7,025,009 | 6,759,544 | ||||
| CATG J EXCEPTION VALUES: | 159,996,402 | 163,922,976 | ||||
| Total Test Values | 2,430,642,893 | 2,352,312,089 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 117,615,604 |
Confidence Interval Values(5)
| Local Test Value: | 2,430,642,893 | WITHIN CONFIDENCE INTERVAL |
|---|---|---|
| State Lower Limit: | 2,234,696,485 | (State Test Value minus Margin of Error Percent) |
| State Upper Limit: | 2,469,927,693 | (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