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057/Dallas
2018 Confidence Interval Detail
057/Dallas
057-910/Grand Prairie ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 1,059,713,840 | 0.9062 | 1,169,403,928 | 100 | 9,157 | .035247347 |
| A | 1,060,205,920 | 0.9549 | 1,110,279,527 | 100 | 6,702 | .011486691 |
| A | 1,058,809,310 | 0.9639 | 1,098,463,855 | 100 | 5,421 | .007249845 |
| A | 1,059,394,200 | 0.9881 | 1,072,152,819 | 100 | 4,019 | .004257069 |
| B | 112,492,900 | 0.9754 | 115,330,018 | 30 | 1,148 | .004617973 |
| B | 75,946,760 | 0.8645 | 87,850,503 | 7 | 18 | .002859957 |
| B | 128,844,950 | 0.8684 | 148,370,509 | 4 | 12 | .013341813 |
| F1 | 390,587,590 | 0.9169 | 425,987,120 | 10 | 565 | .008662762 |
| F1 | 375,260,720 | 0.8809 | 425,996,958 | 9 | 96 | .021175694 |
| F1 | 416,748,570 | 0.9140 | 455,961,236 | 7 | 33 | .023161372 |
| F1 | 441,428,900 | 0.9664 | 456,776,594 | 6 | 16 | .000555239 |
| L1 | 299,441,470 | 1.0331 | 289,847,517 | 11 | 361 | .002230057 |
| L1 | 283,144,220 | 1.0240 | 276,508,027 | 9 | 50 | .011743403 |
| L1 | 353,752,000 | 1.0071 | 351,258,068 | 7 | 21 | .000060943 |
| L1 | 226,088,830 | 1.0034 | 225,322,733 | 5 | 6 | .000258823 |
| Random Totals: | 7,341,860,180 | 7,709,509,412 | 505 | 27,625 | ||
| Catg D1 Exception Values: | 90,704 | 84,234 | ||||
| Catg B Exception Values: | 93,854,100 | 111,975,433 | ||||
| Total Test Values (4): | 7,435,804,984 | 7,821,569,079 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 391,078,453 |
Confidence Interval Values (5)
| State Lower Limit: | 7,430,490,626 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 7,435,804,984 | (Within Confidence Interval) |
| State Upper Limit: | 8,212,647,532 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 6,790,449,843 | (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