2009 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 | 2,926,860,040 | 0.9816 | 2,981,723,757 | 92 | 3,549 | .005700026 |
| A | 2,798,388,440 | 0.9694 | 2,886,722,137 | 79 | 2,230 | .003957361 |
| A | 2,806,249,080 | 0.9614 | 2,918,919,368 | 50 | 1,473 | .008341473 |
| A | 2,929,869,030 | 0.9090 | 3,223,178,251 | 24 | 664 | .014081146 |
| B | 96,724,580 | 0.8901 | 108,667,094 | 8 | 236 | .066156292 |
| B | 169,815,730 | 0.9515 | 178,471,603 | 9 | 299 | .008283013 |
| B | 166,223,180 | 0.9711 | 171,169,993 | 9 | 229 | .001466758 |
| B | 146,853,190 | 1.0066 | 145,890,314 | 6 | 123 | .002974309 |
| F1 | 266,427,430 | 0.9673 | 275,434,126 | 8 | 120 | .002201204 |
| F1 | 251,098,960 | 0.8650 | 290,287,815 | 5 | 19 | .008403549 |
| F1 | 200,350,440 | 0.8560 | 234,054,252 | 4 | 5 | .000173081 |
| F1 | 317,179,420 | 0.9370 | 338,505,251 | 3 | 4 | .003073864 |
| Random Totals: | 13,076,039,520 | 13,753,023,961 | 297 | 8,951 | ||
| Total Test Values (4): | 13,076,039,520 | 13,753,023,961 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 687,651,198 |
Confidence Interval Values (5)
| State Lower Limit: | 13,065,372,763 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 13,076,039,520 | (Within Confidence Interval) |
| State Upper Limit: | 14,440,675,159 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 12,401,517,511 | (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