2008 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 | 2,530,706,460 | 0.9850 | 2,569,245,137 | 50 | 3,282 | .007402523 |
| A | 2,859,728,350 | 0.9648 | 2,964,063,381 | 50 | 2,440 | .009796054 |
| A | 2,942,941,710 | 0.9743 | 3,020,570,368 | 50 | 1,672 | .005402573 |
| A | 3,298,286,050 | 0.9665 | 3,412,608,432 | 32 | 829 | .003207943 |
| B | 122,710,070 | 0.9978 | 122,980,627 | 7 | 347 | .003011929 |
| B | 118,963,490 | 0.9730 | 122,264,635 | 12 | 230 | .006511355 |
| B | 162,850,560 | 0.9695 | 167,973,760 | 23 | 240 | .006097523 |
| B | 174,977,640 | 1.0161 | 172,205,137 | 16 | 160 | .005371470 |
| F1 | 286,664,900 | 0.9021 | 317,775,080 | 7 | 146 | .012709581 |
| F1 | 243,191,330 | 0.8836 | 275,227,852 | 5 | 24 | .024224468 |
| F1 | 623,342,370 | 0.9551 | 652,646,184 | 6 | 13 | .009465908 |
| Random Totals: | 13,364,362,930 | 13,797,560,593 | 258 | 9,383 | ||
| Total Test Values (4): | 13,364,362,930 | 13,797,560,593 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 689,878,030 |
Confidence Interval Values (5)
| State Lower Limit: | 13,107,682,563 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 13,364,362,930 | (Within Confidence Interval) |
| State Upper Limit: | 14,487,438,623 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 12,121,196,527 | (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