2007 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 | 1,613,043 | 0.8292 | 1,945,300 | 8 | 92 | .038065343 |
| A | 1,582,540 | 0.8858 | 1,786,566 | 10 | 55 | .037922388 |
| A | 1,643,499 | 0.9135 | 1,799,123 | 9 | 38 | .010042006 |
| A | 1,540,425 | 0.7988 | 1,928,424 | 7 | 20 | .017923220 |
| D3 | 10,008,896 | 0.8217 | 12,180,718 | 21 | 1,384 | .058535628 |
| Random Totals: | 16,388,403 | 19,640,131 | 55 | 1,589 | ||
| Catg J Exception Values: | 1,301,610 | 1,273,565 | ||||
| Catg D1 Exception Values: | 7,496,993 | 7,426,573 | ||||
| Total Test Values (4): | 25,187,006 | 28,340,269 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 1,417,013 |
Confidence Interval Values (5)
| Local Test Value: | 25,187,006 | (Outside Confidence Interval) |
|---|---|---|
| State Lower Limit: | 26,923,256 | (State Test Value minus Margin of Error Percent) |
| State Upper Limit: | 29,757,282 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 21,937,167 | (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