2009 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 | 89,607,106 | 0.9001 | 99,552,390 | 20 | 1,125 | .054299322 |
| A | 88,231,900 | 0.9589 | 92,013,661 | 15 | 546 | .016503512 |
| A | 138,601,374 | 0.9911 | 139,846,003 | 36 | 657 | .006088626 |
| A | 227,539,205 | 1.0065 | 226,069,752 | 55 | 796 | .005375448 |
| D3 | 89,761,223 | 0.9733 | 92,223,593 | 20 | 1,950 | .023242864 |
| Random Totals: | 633,740,808 | 649,705,399 | 146 | 5,074 | ||
| Catg D1 Exception Values: | 4,354,290 | 3,562,486 | ||||
| Total Test Values (4): | 638,095,098 | 653,267,885 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 32,663,394 |
Confidence Interval Values (5)
| State Lower Limit: | 620,604,491 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 638,095,098 | (Within Confidence Interval) |
| State Upper Limit: | 685,931,279 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 625,340,399 | (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