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Dallas County
2024 Confidence Interval Detail
Dallas County
057-910/Grand Prairie ISD
Category Summary
| (1) Category |
(1) Stratum Number |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|---|
| A | 2 | 1,716,212,540 | 0.9608 | 1,786,232,868 | 100 | 8,115 | 0.018789566 |
| A | 3 | 1,986,735,230 | 0.9987 | 1,989,321,348 | 100 | 7,399 | 0.006192722 |
| A | 4 | 2,184,871,030 | 0.9890 | 2,209,171,921 | 100 | 6,710 | 0.003890380 |
| A | 5 | 2,282,608,660 | 1.0001 | 2,282,380,422 | 100 | 5,437 | 0.006439092 |
| B | 2 | 328,534,760 | 1.0289 | 319,306,794 | 16 | 1,285 | 0.003030019 |
| B | 3 | 263,494,260 | 0.9824 | 268,214,841 | 7 | 20 | 0.008548203 |
| B | 4 | 224,820,760 | 0.9946 | 226,041,383 | 5 | 8 | 0.009297933 |
| B | 5 | 387,434,090 | 1.1385 | 340,302,231 | 4 | 8 | 0.008727077 |
| F1 | 2 | 869,863,360 | 0.9336 | 931,730,249 | 10 | 522 | 0.022224155 |
| F1 | 3 | 832,587,780 | 1.0821 | 769,418,520 | 9 | 63 | 0.052540488 |
| F1 | 4 | 923,015,270 | 1.1584 | 796,801,856 | 8 | 32 | 0.004886670 |
| F1 | 5 | 1,487,458,530 | 1.1439 | 1,300,339,654 | 6 | 26 | 0.003924899 |
| L1 | 2 | 548,372,840 | 1.0405 | 527,028,198 | 12 | 361 | 0.004637821 |
| L1 | 3 | 607,778,430 | 1.0269 | 591,857,464 | 9 | 59 | 0.002261207 |
| L1 | 4 | 460,302,460 | 1.0085 | 456,422,866 | 8 | 16 | 0.000926007 |
| L1 | 5 | 491,029,260 | 1.0078 | 487,228,875 | 5 | 8 | 0.000142293 |
| Random Totals: | 15,595,119,260 | 15,281,799,490 | 499 | 30,069 | |||
| CATG D1 EXCEPTION VALUES: | 57,656 | 51,333 | |||||
| CATG J EXCEPTION VALUES: | 22,765,795 | 23,873,494 | |||||
| Total Test Values | 15,617,942,711 | 15,305,724,317 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 765,286,216 |
Confidence Interval Values(5)
| Local Test Value: | 15,617,942,711 | WITHIN CONFIDENCE INTERVAL |
|---|---|---|
| State Lower Limit: | 14,540,438,101 | (State Test Value minus Margin of Error Percent) |
| State Upper Limit: | 16,071,010,533 | (State Test Value plus Margin of Error Percent) |
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