2006 Confidence Interval Detail
228/Trinity
228-903/Trinity ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 34,926,446 | 1.0875 | 32,116,272 | 20 | 1,554 | .145574042 |
| A | 34,900,373 | 0.9194 | 37,959,945 | 8 | 736 | .006166082 |
| A | 34,946,264 | 0.9918 | 35,235,193 | 7 | 410 | .002991056 |
| A | 34,848,191 | 0.9489 | 36,724,830 | 7 | 225 | .001295673 |
| C | 12,832,169 | 1.4506 | 8,846,111 | 15 | 3,733 | .237802727 |
| C | 4,170,219 | 0.9723 | 4,289,025 | 10 | 916 | .515214172 |
| C | 7,662,440 | 0.6945 | 11,033,031 | 14 | 1,188 | .740099403 |
| C | 8,215,826 | 1.0035 | 8,187,171 | 15 | 586 | .463084524 |
| D3 | 21,299,320 | 0.9441 | 22,560,449 | 15 | 1,689 | .371997147 |
| F1 | 4,414,744 | 0.8741 | 5,050,617 | 7 | 120 | .119841712 |
| F1 | 4,422,768 | 0.7714 | 5,733,430 | 6 | 43 | .123122124 |
| F1 | 4,610,710 | 0.8476 | 5,439,724 | 5 | 17 | .003128765 |
| F1 | 4,023,457 | 0.8894 | 4,523,788 | 3 | 6 | .051524936 |
| L1 | 3,557,135 | 0.9533 | 3,731,391 | 7 | 106 | .014631309 |
| L1 | 3,485,078 | 1.0172 | 3,426,148 | 5 | 15 | .070809506 |
| L1 | 3,527,489 | 1.0029 | 3,517,289 | 2 | 5 | .000020526 |
| Random Totals: | 221,842,629 | 228,374,414 | 146 | 11,349 | ||
| Catg J Exception Values: | 7,810,207 | 7,510,393 | ||||
| Catg D1 Exception Values: | 12,064,111 | 11,617,268 | ||||
| Catg L1 Exception Values: | 2,800,952 | 2,916,035 | ||||
| Total Test Values (4): | 244,517,899 | 250,418,110 |
Margin of Error
| Margin of Error Percent: | 5.0000002 |
|---|---|
| Margin of Error Value: | 12,520,906 |
Confidence Interval Values (5)
| State Lower Limit: | 237,897,204 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 244,517,899 | (Within Confidence Interval) |
| State Upper Limit: | 262,939,016 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 215,930,467 | (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