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Tarrant County
2019 Confidence Interval Detail
Tarrant County
220-920/White Settlement ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 281,353,380 | 0.9624 | 292,345,574 | 80 | 2476 | 0.014632139 |
| A | 419,535,253 | 0.9748 | 430,380,850 | 75 | 2687 | 0.005083709 |
| A | 529,734,430 | 1.0082 | 525,425,937 | 75 | 2730 | 0.005034396 |
| A | 599,079,785 | 1.0159 | 589,703,499 | 74 | 2145 | 0.007528429 |
| B | 59,104,588 | 0.7631 | 77,453,267 | 14 | 282 | 0.094659083 |
| B | 66,269,343 | 0.9322 | 71,089,214 | 5 | 6 | 0.043015788 |
| B | 55,080,000 | 1.1500 | 47,897,657 | 2 | 3 | 0.014379027 |
| F1 | 72,227,461 | 0.6868 | 105,165,202 | 9 | 117 | 0.156317219 |
| F1 | 86,716,729 | 0.8981 | 96,555,761 | 9 | 49 | 0.024682642 |
| F1 | 85,509,194 | 0.7340 | 116,497,540 | 8 | 20 | 0.114192418 |
| F1 | 78,646,759 | 0.9543 | 82,413,035 | 4 | 9 | 0.040423917 |
| Random Totals: | 2,333,256,922 | 2,434,927,536 | 355 | 10,524 | ||
| CATG B EXCEPTION VALUES: | 72,610,000 | 75,359,283 | ||||
| CATG D1 EXCEPTION VALUES: | 495,761 | 136,784 | ||||
| Total Test Values(2) | 2,406,362,683 | 2,510,423,603 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 125,521,180 |
Confidence Interval Values(5)
| Local Test Value: | 2,406,362,683 | WITHIN CONFIDENCE INTERVAL |
|---|---|---|
| State Lower Limit: | 2,384,902,423 | (State Test Value minus Margin of Error Percent) |
| State Upper Limit: | 2,635,944,783 | (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