2006 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 | 99,262,164 | 0.9802 | 101,267,256 | 79 | 687 | .005632619 |
| A | 98,186,821 | 0.9896 | 99,218,695 | 53 | 486 | .004281305 |
| A | 98,655,391 | 0.9873 | 99,924,431 | 89 | 383 | .004938200 |
| A | 98,486,621 | 0.9634 | 102,228,172 | 41 | 269 | .006145380 |
| D3 | 65,266,288 | 0.9850 | 66,260,191 | 22 | 1,679 | .013735559 |
| Random Totals: | 459,857,285 | 468,898,745 | 284 | 3,504 | ||
| Catg D1 Exception Values: | 4,728,367 | 4,625,578 | ||||
| Total Test Values (4): | 464,585,652 | 473,524,323 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 23,676,216 |
Confidence Interval Values (5)
| State Lower Limit: | 449,848,107 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 464,585,652 | (Within Confidence Interval) |
| State Upper Limit: | 497,200,539 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 456,726,589 | (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