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057/Dallas
2018 Confidence Interval Detail
057/Dallas
057-909/Garland ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 3,692,406,430 | 0.9506 | 3,884,290,375 | 250 | 25,573 | .020474250 |
| A | 3,691,058,000 | 0.9649 | 3,825,326,977 | 250 | 19,184 | .007205952 |
| A | 3,691,982,510 | 0.9713 | 3,801,073,314 | 250 | 15,400 | .010023318 |
| A | 3,691,030,760 | 0.9834 | 3,753,336,140 | 250 | 10,764 | .005099415 |
| B | 288,553,940 | 0.9751 | 295,922,408 | 25 | 972 | .007497685 |
| B | 258,417,460 | 0.8207 | 314,874,449 | 8 | 48 | .027751867 |
| B | 315,957,350 | 0.8761 | 360,640,737 | 5 | 23 | .053197565 |
| B | 433,342,630 | 0.9361 | 462,923,438 | 6 | 15 | .007025833 |
| C1 | 79,383,950 | 0.8096 | 98,053,298 | 12 | 1,185 | .066621764 |
| C1 | 87,344,590 | 0.7597 | 114,972,476 | 11 | 338 | .250796687 |
| C1 | 88,288,880 | 0.8697 | 101,516,477 | 9 | 116 | .077127569 |
| C1 | 94,665,380 | 1.1054 | 85,639,027 | 6 | 25 | .090771514 |
| F1 | 731,253,470 | 0.9353 | 781,838,415 | 15 | 1,309 | .022052182 |
| F1 | 735,819,800 | 0.9646 | 762,823,761 | 13 | 374 | .010387631 |
| F1 | 749,701,290 | 0.8348 | 898,060,961 | 9 | 143 | .006816285 |
| F1 | 789,535,500 | 0.8642 | 913,602,754 | 10 | 50 | .015263821 |
| L1 | 326,193,650 | 1.0267 | 317,710,772 | 11 | 1,380 | .008836399 |
| L1 | 332,265,060 | 0.9593 | 346,361,993 | 9 | 192 | .002396508 |
| L1 | 329,337,250 | 1.0466 | 314,673,466 | 9 | 53 | .011941593 |
| L1 | 241,340,010 | 0.9955 | 242,430,949 | 4 | 5 | .000034193 |
| Random Totals: | 20,647,877,910 | 21,676,072,187 | 1,162 | 77,149 | ||
| Catg D1 Exception Values: | 380,935 | 349,416 | ||||
| Total Test Values (4): | 20,648,258,845 | 21,676,421,603 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 1,083,821,080 |
Confidence Interval Values (5)
| State Lower Limit: | 20,592,600,523 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 20,648,258,845 | (Within Confidence Interval) |
| State Upper Limit: | 22,760,242,683 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 18,915,984,621 | (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, 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
(6) Includes local value of unstudied property categories and sub-categories