2006 Confidence Interval Detail
057/Dallas
057-903/Carrollton-Farmers Branch
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 1,232,750,666 | 1.0125 | 1,217,531,522 | 48 | 10,182 | .002283208 |
| A | 1,233,023,771 | 0.9994 | 1,233,764,029 | 47 | 8,020 | .000764307 |
| A | 1,232,051,084 | 0.9958 | 1,237,247,524 | 48 | 6,074 | .001307112 |
| A | 1,232,336,554 | 0.9895 | 1,245,413,395 | 48 | 3,795 | .000500159 |
| B | 441,068,144 | 1.0256 | 430,058,643 | 7 | 72 | .019190884 |
| B | 448,625,094 | 1.0251 | 437,640,322 | 7 | 37 | .002360989 |
| B | 436,067,988 | 0.9961 | 437,775,312 | 6 | 24 | .017341126 |
| B | 426,430,159 | 0.9660 | 441,439,088 | 7 | 14 | .010170760 |
| C | 98,107,075 | 0.8784 | 111,688,382 | 7 | 357 | .026684559 |
| C | 97,958,258 | 0.9471 | 103,429,689 | 7 | 91 | .007337478 |
| C | 98,835,622 | 1.0031 | 98,530,178 | 7 | 42 | .006676173 |
| C | 97,167,046 | 1.0414 | 93,304,250 | 7 | 17 | .012110462 |
| F1 | 945,098,878 | 0.9358 | 1,009,936,822 | 15 | 678 | .025300145 |
| F1 | 940,025,094 | 0.9404 | 999,601,333 | 9 | 235 | .013677345 |
| F1 | 952,203,556 | 0.8888 | 1,071,336,134 | 9 | 95 | .034520612 |
| F1 | 932,078,978 | 0.9325 | 999,548,502 | 6 | 36 | .010162080 |
| L1 | 479,849,114 | 1.0465 | 458,527,581 | 7 | 1,148 | .001933027 |
| L1 | 483,143,504 | 1.0853 | 445,170,463 | 7 | 181 | .017492971 |
| L1 | 488,844,020 | 1.0298 | 474,698,019 | 7 | 55 | .000969242 |
| L1 | 467,039,683 | 0.9895 | 471,995,637 | 6 | 10 | .000391400 |
| Random Totals: | 12,762,704,288 | 13,018,636,825 | 312 | 31,163 | ||
| Catg D1 Exception Values: | 4,997 | 3,817 | ||||
| Total Test Values (4): | 12,762,709,285 | 13,018,640,642 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 650,932,032 |
Confidence Interval Values (5)
| State Lower Limit: | 12,367,708,610 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 12,762,709,285 | (Within Confidence Interval) |
| State Upper Limit: | 13,669,572,674 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 13,300,070,526 | (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