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057/Dallas
2016 Confidence Interval Detail
057/Dallas
057-912/Irving ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 1,104,568,880 | 1.0178 | 1,085,251,405 | 18 | 11,447 | .028597713 |
| A | 1,104,632,460 | 0.9268 | 1,191,877,924 | 29 | 8,482 | .008717288 |
| A | 1,104,538,660 | 0.9504 | 1,162,182,934 | 32 | 5,792 | .005077338 |
| A | 1,104,254,870 | 0.9958 | 1,108,912,302 | 12 | 2,239 | .016715494 |
| B | 377,871,480 | 0.8656 | 436,542,837 | 8 | 258 | .129020739 |
| B | 382,524,740 | 0.8375 | 456,745,958 | 7 | 41 | .005515987 |
| B | 534,052,990 | 0.8888 | 600,869,701 | 6 | 26 | .007636472 |
| B | 488,162,130 | 0.9831 | 496,553,891 | 5 | 10 | .000833787 |
| F1 | 745,618,670 | 0.9903 | 752,922,014 | 11 | 866 | .008070313 |
| F1 | 754,906,180 | 0.8921 | 846,212,510 | 10 | 177 | .009601545 |
| F1 | 862,905,790 | 0.8991 | 959,743,955 | 8 | 47 | .023372026 |
| F1 | 817,925,190 | 0.9496 | 861,336,552 | 5 | 11 | .006036904 |
| L1 | 308,733,650 | 1.0535 | 293,055,197 | 10 | 1,102 | .014789629 |
| L1 | 308,173,360 | 0.9995 | 308,327,524 | 9 | 179 | .006032744 |
| L1 | 352,165,710 | 0.9700 | 363,057,433 | 8 | 63 | .002153518 |
| L1 | 468,976,820 | 1.0317 | 454,567,045 | 5 | 13 | .002944684 |
| Random Totals: | 10,820,011,580 | 11,378,159,182 | 183 | 30,753 | ||
| Catg D1 Exception Values: | 102,926 | 104,090 | ||||
| Total Test Values (4): | 10,820,114,506 | 11,378,263,272 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 568,913,163 |
Confidence Interval Values (5)
| State Lower Limit: | 10,809,350,109 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 10,820,114,506 | (Within Confidence Interval) |
| State Upper Limit: | 11,947,176,435 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 10,418,766,103 | (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