2006 Confidence Interval Detail
057/Dallas
057-905/Dallas ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 8,596,540,457 | 1.0051 | 8,552,920,562 | 95 | 94,580 | .003647095 |
| A | 8,596,049,609 | 0.9928 | 8,658,390,017 | 97 | 45,458 | .001803456 |
| A | 8,597,748,159 | 0.9878 | 8,703,936,180 | 98 | 22,267 | .002347409 |
| A | 8,593,973,383 | 0.9861 | 8,715,113,460 | 100 | 7,478 | .000784121 |
| B | 1,529,933,630 | 0.9607 | 1,592,519,652 | 19 | 6,155 | .140796775 |
| B | 1,531,803,522 | 1.0103 | 1,516,186,798 | 18 | 434 | .001568665 |
| B | 1,541,893,696 | 1.0022 | 1,538,508,976 | 7 | 141 | .000181892 |
| B | 1,514,971,205 | 0.9809 | 1,544,470,593 | 7 | 50 | .001553835 |
| C | 442,167,099 | 0.8792 | 502,919,812 | 15 | 12,128 | .090030344 |
| C | 438,754,754 | 0.7838 | 559,778,967 | 8 | 1,510 | .031695427 |
| C | 440,881,816 | 0.9294 | 474,372,516 | 7 | 452 | .019469384 |
| C | 439,576,663 | 0.9184 | 478,633,126 | 8 | 117 | .057179871 |
| F1 | 5,005,217,123 | 0.9475 | 5,282,551,053 | 79 | 6,142 | .060242450 |
| F1 | 5,006,952,285 | 0.9987 | 5,013,469,796 | 24 | 1,142 | .003235177 |
| F1 | 5,039,628,374 | 0.9010 | 5,593,372,224 | 18 | 301 | .036378918 |
| F1 | 4,964,938,237 | 0.9319 | 5,327,758,597 | 11 | 59 | .015222621 |
| L1 | 2,155,083,052 | 1.0185 | 2,115,938,195 | 7 | 9,667 | .042244625 |
| L1 | 2,154,628,405 | 1.0681 | 2,017,253,445 | 7 | 1,325 | .005312914 |
| L1 | 2,159,933,094 | 1.0137 | 2,130,741,930 | 7 | 365 | .000743693 |
| L1 | 2,149,082,640 | 1.0085 | 2,130,969,400 | 6 | 77 | .004806002 |
| Random Totals: | 70,899,757,203 | 72,449,805,299 | 638 | 209,848 | ||
| Catg D1 Exception Values: | 3,203,058 | 3,546,551 | ||||
| Total Test Values (4): | 70,902,960,261 | 72,453,351,850 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 3,622,667,593 |
Confidence Interval Values (5)
| State Lower Limit: | 68,830,684,257 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 70,902,960,261 | (Within Confidence Interval) |
| State Upper Limit: | 76,076,019,443 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 69,878,590,338 | (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