2006 Confidence Interval Detail
226/Tom Green
226-906/Wall ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 20,571,798 | 0.9503 | 21,647,688 | 8 | 342 | .000178519 |
| A | 20,644,143 | 0.9637 | 21,421,753 | 7 | 205 | .000226005 |
| A | 20,533,700 | 0.9818 | 20,914,341 | 9 | 142 | .000154882 |
| A | 20,536,875 | 0.9882 | 20,782,104 | 8 | 74 | .001111757 |
| D3 | 25,575,630 | 0.9670 | 26,448,428 | 20 | 2,421 | .000941467 |
| Random Totals: | 107,862,146 | 111,214,314 | 52 | 3,184 | ||
| Catg D1 Exception Values: | 30,325,720 | 30,817,315 | ||||
| Total Test Values (4): | 138,187,866 | 142,031,629 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 7,101,581 |
Confidence Interval Values (5)
| State Lower Limit: | 134,930,048 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 138,187,866 | (Within Confidence Interval) |
| State Upper Limit: | 149,133,210 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 163,222,155 | (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