2007 Confidence Interval Detail
246/Williamson
246-911/Taylor ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 107,004,029 | 0.9255 | 115,617,535 | 24 | 1,549 | .027124869 |
| A | 106,982,928 | 0.9535 | 112,200,239 | 33 | 1,010 | .019981451 |
| A | 106,856,802 | 0.9749 | 109,607,962 | 46 | 815 | .008716018 |
| A | 106,940,992 | 0.9774 | 109,413,743 | 41 | 546 | .013183430 |
| D3 | 47,747,057 | 1.0279 | 46,451,072 | 14 | 1,475 | .054950276 |
| F1 | 29,118,794 | 1.0149 | 28,691,294 | 8 | 177 | .060168827 |
| F1 | 29,279,544 | 1.0172 | 28,784,451 | 6 | 53 | .001158732 |
| F1 | 89,416,551 | 0.9711 | 92,077,593 | 6 | 16 | .001494357 |
| L1 | 13,487,514 | 0.9969 | 13,529,455 | 7 | 220 | .008429786 |
| L1 | 13,984,940 | 1.0646 | 13,136,333 | 7 | 51 | .012838318 |
| L1 | 26,160,671 | 0.9852 | 26,553,665 | 6 | 10 | .000191905 |
| Random Totals: | 676,979,822 | 696,063,342 | 198 | 5,922 | ||
| Catg D1 Exception Values: | 9,631,486 | 9,994,024 | ||||
| Total Test Values (4): | 686,611,308 | 706,057,366 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 35,302,868 |
Confidence Interval Values (5)
| State Lower Limit: | 670,754,498 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 686,611,308 | (Within Confidence Interval) |
| State Upper Limit: | 741,360,234 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 752,956,539 | (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