2010 Confidence Interval Detail
057/Dallas
057-911/Highland Park ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 3,106,611,840 | 0.9990 | 3,109,721,562 | 50 | 3,853 | .006372386 |
| A | 2,657,958,450 | 0.9957 | 2,669,437,029 | 49 | 2,137 | .003359214 |
| A | 2,381,527,450 | 0.9672 | 2,462,290,581 | 49 | 1,241 | .014752189 |
| A | 2,731,551,190 | 0.9404 | 2,904,669,492 | 17 | 590 | .009067524 |
| B | 155,079,500 | 1.0293 | 150,665,015 | 11 | 331 | .020152516 |
| B | 154,570,940 | 1.0068 | 153,526,957 | 11 | 253 | .003918513 |
| B | 102,777,280 | 1.0155 | 101,208,548 | 9 | 138 | .005835315 |
| B | 105,752,500 | 0.9661 | 109,463,306 | 9 | 88 | .028891867 |
| F1 | 250,729,660 | 0.9896 | 253,364,652 | 9 | 124 | .035540602 |
| F1 | 233,798,760 | 0.8454 | 276,554,010 | 7 | 20 | .018643883 |
| F1 | 239,525,000 | 0.9552 | 250,759,003 | 4 | 6 | .003824960 |
| F1 | 210,454,540 | 0.9673 | 217,569,048 | 2 | 3 | .002635726 |
| Random Totals: | 12,330,337,110 | 12,659,229,203 | 227 | 8,784 | ||
| Catg J Exception Values: | 21,395,659 | 22,416,307 | ||||
| Total Test Values (4): | 12,351,732,769 | 12,681,645,510 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 634,082,276 |
Confidence Interval Values (5)
| State Lower Limit: | 12,047,563,234 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 12,351,732,769 | (Within Confidence Interval) |
| State Upper Limit: | 13,315,727,786 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 11,958,653,298 | (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