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220/Tarrant
2016 Confidence Interval Detail
220/Tarrant
220-907/Keller ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 3,245,044,270 | 0.9693 | 3,347,822,418 | 496 | 18,763 | .008828320 |
| A | 3,244,885,369 | 0.9634 | 3,368,160,026 | 501 | 12,968 | .007880060 |
| A | 3,244,928,204 | 0.9672 | 3,354,971,261 | 496 | 8,803 | .005939243 |
| A | 3,244,504,421 | 0.9673 | 3,354,186,313 | 255 | 4,475 | .021670460 |
| B | 132,015,994 | 0.9352 | 141,163,381 | 6 | 12 | .029654999 |
| B | 128,509,682 | 1.0717 | 119,911,992 | 5 | 6 | .000983162 |
| B | 243,669,261 | 0.9898 | 246,180,300 | 4 | 8 | .003434732 |
| F1 | 433,657,143 | 0.8484 | 511,147,033 | 10 | 433 | .100129207 |
| F1 | 494,448,356 | 0.9212 | 536,743,765 | 9 | 172 | .082860105 |
| F1 | 484,644,643 | 1.0457 | 463,464,323 | 8 | 52 | .044570722 |
| F1 | 453,304,885 | 1.0169 | 445,771,349 | 5 | 11 | .000927140 |
| L1 | 170,038,212 | 1.0534 | 161,418,466 | 10 | 715 | .005617066 |
| L1 | 115,144,102 | 1.0445 | 110,238,489 | 8 | 66 | .105700161 |
| L1 | 132,212,660 | 0.9303 | 142,118,306 | 6 | 19 | .004436821 |
| Random Totals: | 15,767,007,202 | 16,303,297,422 | 1,819 | 46,503 | ||
| Catg D1 Exception Values: | 303,372 | 164,178 | ||||
| Catg B Exception Values: | 123,676,000 | 112,522,098 | ||||
| Catg L1 Exception Values: | 71,041,306 | 73,257,713 | ||||
| Total Test Values (4): | 15,962,027,880 | 16,489,241,411 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 824,462,070 |
Confidence Interval Values (5)
| State Lower Limit: | 15,664,779,341 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 15,962,027,880 | (Within Confidence Interval) |
| State Upper Limit: | 17,313,703,481 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 15,036,639,467 | (See ISD Summary Worksheet) |
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, D3, F1, G1, G2, or L1 marked as exception properties
(5) Unstudied categories and sub-categories were not included in the Confidence Interval Values
(6) Includes local value of unstudied property categories and sub-categories