2008 Confidence Interval Detail
247/Wilson
247-903/La Vernia ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 98,907,085 | 0.8116 | 121,866,788 | 32 | 1,276 | .065577887 |
| A | 113,195,260 | 0.8190 | 138,211,551 | 26 | 728 | .006932829 |
| A | 109,042,635 | 0.8778 | 124,222,642 | 43 | 529 | .008260782 |
| A | 112,835,655 | 0.9211 | 122,500,983 | 39 | 417 | .009131935 |
| D3 | 66,309,419 | 0.6948 | 95,436,700 | 18 | 1,947 | .046665973 |
| Random Totals: | 500,290,054 | 602,238,664 | 158 | 4,897 | ||
| Catg D1 Exception Values: | 4,375,460 | 3,692,603 | ||||
| Total Test Values (4): | 504,665,514 | 605,931,267 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 30,296,563 |
Confidence Interval Values (5)
| Local Test Value: | 504,665,514 | (Outside Confidence Interval) |
|---|---|---|
| State Lower Limit: | 575,634,704 | (State Test Value minus Margin of Error Percent) |
| State Upper Limit: | 636,227,830 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 623,772,589 | (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