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Galveston County
2019 Confidence Interval Detail
Galveston County
084-909/Santa Fe ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 310,260,433 | 0.8658 | 358,351,158 | 68 | 2482 | 0.030462170 |
| A | 411,601,802 | 0.9302 | 442,487,424 | 67 | 2165 | 0.023437598 |
| A | 416,497,290 | 0.9370 | 444,500,843 | 49 | 1634 | 0.017169702 |
| A | 478,565,449 | 0.9742 | 491,239,426 | 35 | 1179 | 0.005774989 |
| E | 117,082,173 | 0.9428 | 124,185,589 | 15 | 867 | 0.168271624 |
| Random Totals: | 1,734,007,147 | 1,860,764,440 | 234 | 8,327 | ||
| CATG D1 EXCEPTION VALUES: | 2,173,150 | 1,532,852 | ||||
| Total Test Values(1) | 1,736,180,297 | 1,862,297,292 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 93,114,865 |
Confidence Interval Values(5)
| Local Test Value: | 1,736,180,297 | OUTSIDE CONFIDENCE INTERVAL |
|---|---|---|
| State Lower Limit: | 1,769,182,427 | (State Test Value minus Margin of Error Percent) |
| State Upper Limit: | 1,955,412,157 | (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