2007 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 | 1,290,024,814 | 0.9860 | 1,308,341,596 | 42 | 10,382 | .012466490 |
| A | 1,289,926,993 | 0.9878 | 1,305,858,466 | 54 | 8,165 | .003719770 |
| A | 1,289,747,197 | 0.9828 | 1,312,319,085 | 53 | 6,121 | .004307308 |
| A | 1,289,695,069 | 0.9829 | 1,312,132,535 | 51 | 3,791 | .002054219 |
| B | 498,745,343 | 0.9411 | 529,959,986 | 7 | 70 | .008124874 |
| B | 497,296,496 | 0.9472 | 525,017,416 | 6 | 37 | .013730148 |
| B | 501,784,708 | 0.9952 | 504,204,891 | 5 | 24 | .003425805 |
| B | 491,907,468 | 0.9527 | 516,329,871 | 6 | 15 | .002825128 |
| C | 99,278,238 | 1.0224 | 97,103,128 | 7 | 531 | .006794870 |
| C | 99,037,324 | 0.9452 | 104,779,226 | 7 | 98 | .076420021 |
| C | 100,787,572 | 0.9517 | 105,902,671 | 6 | 45 | .019305900 |
| C | 96,730,113 | 1.0115 | 95,630,364 | 5 | 16 | .006100374 |
| F1 | 1,105,246,218 | 0.8831 | 1,251,552,732 | 7 | 696 | .044449882 |
| F1 | 1,111,269,440 | 0.8797 | 1,263,236,831 | 7 | 242 | .013283354 |
| F1 | 1,106,675,281 | 0.9015 | 1,227,593,212 | 7 | 98 | .021214289 |
| F1 | 1,097,786,146 | 0.7752 | 1,416,132,799 | 7 | 36 | .033804493 |
| L1 | 523,165,024 | 1.1018 | 474,827,577 | 7 | 1,218 | .015825836 |
| L1 | 526,295,598 | 1.1722 | 448,981,060 | 7 | 192 | .053470800 |
| L1 | 525,742,235 | 1.0236 | 513,620,784 | 6 | 62 | .062786350 |
| L1 | 515,560,575 | 1.0091 | 510,911,282 | 6 | 14 | .001548967 |
| Random Totals: | 14,056,701,852 | 14,824,435,512 | 303 | 31,853 | ||
| Catg D1 Exception Values: | 6,695 | 4,828 | ||||
| Total Test Values (4): | 14,056,708,547 | 14,824,440,340 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 741,222,017 |
Confidence Interval Values (5)
| Local Test Value: | 14,056,708,547 | (Outside Confidence Interval) |
|---|---|---|
| State Lower Limit: | 14,083,218,323 | (State Test Value minus Margin of Error Percent) |
| State Upper Limit: | 15,565,662,357 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 14,087,940,135 | (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