2006 Confidence Interval Detail
226/Tom Green
226-905/Water Valley ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 6,052,545 | 0.9618 | 6,292,935 | 7 | 219 | .001311235 |
| A | 6,119,062 | 0.9554 | 6,404,712 | 8 | 115 | .000406253 |
| A | 6,030,814 | 0.9676 | 6,232,755 | 7 | 74 | .000070995 |
| A | 5,964,902 | 0.9921 | 6,012,400 | 7 | 43 | .000012265 |
| D3 | 8,445,595 | 0.9468 | 8,920,147 | 10 | 1,407 | .002323201 |
| G1 | 14,971,474 | 0.9062 | 16,521,159 | 7 | 43 | .009971716 |
| G1 | 17,912,636 | 1.0835 | 16,532,198 | 4 | 7 | .002399992 |
| G1 | 24,187,200 | 1.0485 | 23,068,383 | 2 | 4 | .000942951 |
| Random Totals: | 89,684,228 | 89,984,689 | 52 | 1,912 | ||
| Catg J Exception Values: | 6,607,800 | 6,675,327 | ||||
| Catg D1 Exception Values: | 12,838,330 | 11,807,196 | ||||
| Total Test Values (4): | 109,130,358 | 108,467,212 |
Margin of Error
| Margin of Error Percent: | 5.0000004 |
|---|---|
| Margin of Error Value: | 5,423,361 |
Confidence Interval Values (5)
| State Lower Limit: | 103,043,851 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 109,130,358 | (Within Confidence Interval) |
| State Upper Limit: | 113,890,573 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 108,163,349 | (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