2006 Confidence Interval Detail
044/Collingsworth
044-902/Wellington ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 7,872,857 | 1.0159 | 7,749,638 | 28 | 488 | .135710835 |
| A | 7,837,102 | 0.9911 | 7,907,479 | 16 | 199 | .014366729 |
| A | 7,857,087 | 0.9791 | 8,024,805 | 15 | 128 | .020142081 |
| A | 7,843,778 | 0.9715 | 8,073,884 | 15 | 80 | .003998257 |
| D3 | 7,116,780 | 0.9273 | 7,674,733 | 20 | 2,060 | .169441479 |
| F1 | 1,309,358 | 1.2546 | 1,043,646 | 6 | 84 | .142162183 |
| F1 | 1,274,510 | 0.9779 | 1,303,313 | 6 | 27 | .002526868 |
| F1 | 1,310,019 | 0.9294 | 1,409,532 | 5 | 11 | .004009902 |
| F1 | 1,246,135 | 0.9190 | 1,355,968 | 3 | 4 | .003422851 |
| L1 | 1,197,049 | 0.9599 | 1,247,056 | 6 | 49 | .001666927 |
| L1 | 1,253,836 | 0.9846 | 1,273,447 | 4 | 7 | .000101425 |
| L1 | 1,143,862 | 0.9321 | 1,227,188 | 2 | 3 | .009655236 |
| Random Totals: | 47,262,373 | 48,290,689 | 126 | 3,140 | ||
| Catg J Exception Values: | 2,243,190 | 2,305,764 | ||||
| Catg D1 Exception Values: | 28,186,480 | 29,483,816 | ||||
| Catg L1 Exception Values: | 1,022,180 | 1,012,180 | ||||
| Total Test Values (4): | 78,714,223 | 81,092,449 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 4,054,622 |
Confidence Interval Values (5)
| State Lower Limit: | 77,037,827 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 78,714,223 | (Within Confidence Interval) |
| State Upper Limit: | 85,147,071 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 73,636,480 | (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