2008 Confidence Interval Detail
057/Dallas
057-903/Carrollton-Farmers Branch ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 719,498,880 | 0.9970 | 721,663,872 | 42 | 6,064 | .001953704 |
| A | 638,316,340 | 0.9845 | 648,366,013 | 45 | 4,015 | .002435831 |
| A | 854,264,890 | 0.9804 | 871,343,217 | 50 | 3,961 | .003335863 |
| A | 1,278,078,040 | 0.9575 | 1,334,807,352 | 49 | 3,640 | .006495663 |
| B | 236,851,740 | 0.8734 | 271,183,581 | 6 | 38 | .023125542 |
| B | 282,465,410 | 0.9812 | 287,877,507 | 6 | 21 | .001787689 |
| B | 469,604,210 | 1.0451 | 449,339,020 | 5 | 22 | .010194715 |
| B | 413,263,570 | 0.9999 | 413,304,900 | 5 | 12 | .000028527 |
| C | 95,960,740 | 0.9716 | 98,765,685 | 7 | 617 | .003035544 |
| C | 89,568,120 | 0.9052 | 98,948,431 | 7 | 85 | .023293031 |
| C | 101,918,350 | 0.9916 | 102,781,716 | 6 | 40 | .014477389 |
| C | 96,288,100 | 1.0259 | 93,857,199 | 5 | 14 | .001519604 |
| F1 | 1,006,832,050 | 0.8863 | 1,135,994,641 | 12 | 647 | .022681785 |
| F1 | 1,065,982,120 | 0.8667 | 1,229,932,064 | 12 | 230 | .024736701 |
| F1 | 1,088,429,600 | 0.9091 | 1,197,260,587 | 13 | 88 | .015815024 |
| F1 | 1,054,312,220 | 0.9174 | 1,149,239,394 | 6 | 34 | .006451655 |
| L1 | 510,228,090 | 1.0733 | 475,382,549 | 8 | 1,188 | .011182121 |
| L1 | 441,010,770 | 0.9023 | 488,762,906 | 7 | 166 | .153414856 |
| L1 | 504,019,950 | 1.0855 | 464,320,544 | 6 | 61 | .023850849 |
| L1 | 697,455,820 | 1.0511 | 663,548,492 | 4 | 14 | .008825958 |
| Random Totals: | 11,644,349,010 | 12,196,679,670 | 301 | 20,957 | ||
| Catg D1 Exception Values: | 12,491 | 10,543 | ||||
| Total Test Values (4): | 11,644,361,501 | 12,196,690,213 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 609,834,511 |
Confidence Interval Values (5)
| State Lower Limit: | 11,586,855,702 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 11,644,361,501 | (Within Confidence Interval) |
| State Upper Limit: | 12,806,524,724 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 11,157,385,060 | (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