2010 Confidence Interval Detail
246/Williamson
246-907/Jarrell ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 133,119,678 | 0.9742 | 136,645,122 | 59 | 1,092 | .004363620 |
| A | 132,659,419 | 0.9830 | 134,953,631 | 35 | 756 | .010019208 |
| A | 119,894,769 | 0.9591 | 125,007,579 | 12 | 540 | .006573404 |
| A | 120,170,390 | 0.9744 | 123,327,576 | 14 | 352 | .005841263 |
| D3 | 78,396,431 | 0.9776 | 80,192,749 | 18 | 1,643 | .014639588 |
| F1 | 11,749,167 | 1.0107 | 11,624,782 | 8 | 56 | .000530033 |
| F1 | 12,008,715 | 0.9775 | 12,285,130 | 7 | 22 | .000437272 |
| F1 | 8,600,284 | 0.9817 | 8,760,603 | 5 | 7 | .002332038 |
| F1 | 10,573,509 | 0.9120 | 11,593,760 | 2 | 3 | .000490765 |
| Random Totals: | 627,172,362 | 644,390,932 | 160 | 4,471 | ||
| Catg J Exception Values: | 6,620,476 | 6,027,028 | ||||
| Catg D1 Exception Values: | 4,834,332 | 4,148,355 | ||||
| Total Test Values (4): | 638,627,170 | 654,566,315 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 32,728,316 |
Confidence Interval Values (5)
| State Lower Limit: | 621,837,999 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 638,627,170 | (Within Confidence Interval) |
| State Upper Limit: | 687,294,631 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 621,318,481 | (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