2006 Confidence Interval Detail
228/Trinity
228-905/Apple Springs ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 1,566,382 | 0.9906 | 1,581,246 | 8 | 92 | .000423291 |
| A | 1,569,838 | 0.9369 | 1,675,566 | 7 | 57 | .001784679 |
| A | 1,576,302 | 0.9683 | 1,627,907 | 7 | 38 | .002987814 |
| A | 1,516,142 | 0.9615 | 1,576,851 | 5 | 20 | .002972727 |
| D3 | 9,958,343 | 0.9303 | 10,704,443 | 10 | 1,375 | .023004253 |
| Random Totals: | 16,187,007 | 17,166,013 | 37 | 1,582 | ||
| Catg J Exception Values: | 1,225,240 | 1,151,863 | ||||
| Catg D1 Exception Values: | 10,915,019 | 10,673,002 | ||||
| Total Test Values (4): | 28,327,266 | 28,990,878 |
Margin of Error
| Margin of Error Percent: | 5.0000003 |
|---|---|
| Margin of Error Value: | 1,449,544 |
Confidence Interval Values (5)
| State Lower Limit: | 27,541,334 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 28,327,266 | (Within Confidence Interval) |
| State Upper Limit: | 30,440,422 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 25,031,118 | (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