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Jefferson County
2020 Confidence Interval Detail
Jefferson County
123-908/Port Neches-Groves ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 295,682,054 | 0.9047 | 326,828,843 | 42 | 3,232 | 0.039915449 |
| A | 314,194,417 | 0.9255 | 339,486,134 | 42 | 2,336 | 0.013997859 |
| A | 341,270,045 | 0.9422 | 362,205,524 | 50 | 1,817 | 0.007111671 |
| A | 362,800,080 | 0.9591 | 378,271,379 | 50 | 1,200 | 0.002355115 |
| F1 | 25,415,184 | 0.7145 | 35,570,586 | 10 | 220 | 0.043638393 |
| F1 | 23,683,422 | 0.7412 | 31,952,809 | 9 | 79 | 0.038170144 |
| F1 | 23,410,867 | 0.7604 | 30,787,568 | 8 | 31 | 0.041576365 |
| F1 | 27,748,410 | 0.6810 | 40,746,564 | 5 | 9 | 0.272190733 |
| Random Totals: | 1,414,204,479 | 1,545,849,407 | 216 | 8,924 | ||
| CATG D1 EXCEPTION VALUES: | 12,214 | 8,097 | ||||
| Total Test Values | 1,414,216,693 | 1,545,857,504 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 77,292,875 |
Confidence Interval Values(5)
| Local Test Value: | 1,414,216,693 | OUTSIDE CONFIDENCE INTERVAL |
|---|---|---|
| State Lower Limit: | 1,468,564,629 | (State Test Value minus Margin of Error Percent) |
| State Upper Limit: | 1,623,150,379 | (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