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057/Dallas
2016 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 | 816,708,150 | 1.0475 | 779,673,652 | 20 | 9,683 | .017241171 |
| A | 816,878,070 | 0.9591 | 851,713,137 | 19 | 6,585 | .006055572 |
| A | 816,233,970 | 0.9808 | 832,212,449 | 19 | 5,089 | .004120602 |
| A | 816,164,360 | 0.9931 | 821,835,022 | 18 | 3,723 | .003041450 |
| B | 79,549,560 | 1.0147 | 78,397,122 | 13 | 1,113 | .001398332 |
| B | 78,596,280 | 0.7095 | 110,776,998 | 7 | 19 | .111221656 |
| B | 55,823,390 | 0.6319 | 88,342,127 | 4 | 6 | .057488208 |
| F1 | 266,186,180 | 0.9393 | 283,387,821 | 10 | 539 | .063768741 |
| F1 | 307,082,450 | 0.9668 | 317,627,689 | 10 | 127 | .022761243 |
| F1 | 276,677,490 | 0.9429 | 293,432,485 | 9 | 32 | .021649324 |
| F1 | 367,655,110 | 0.9047 | 406,383,453 | 6 | 17 | .000544972 |
| L1 | 270,921,590 | 1.0239 | 264,597,705 | 10 | 416 | .003051641 |
| L1 | 303,335,780 | 0.9970 | 304,248,526 | 8 | 48 | .001198337 |
| L1 | 252,054,510 | 0.9955 | 253,193,882 | 5 | 12 | .000035791 |
| L1 | 231,282,270 | 1.0012 | 231,005,064 | 3 | 5 | .000005750 |
| Random Totals: | 5,755,149,160 | 5,916,827,132 | 161 | 27,414 | ||
| Catg D1 Exception Values: | 120,116 | 130,009 | ||||
| Catg B Exception Values: | 72,792,500 | 77,491,727 | ||||
| Total Test Values (4): | 5,828,061,776 | 5,994,448,868 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 299,722,443 |
Confidence Interval Values (5)
| State Lower Limit: | 5,694,726,425 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 5,828,061,776 | (Within Confidence Interval) |
| State Upper Limit: | 6,294,171,311 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 5,598,276,295 | (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