2009 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 | 7,889,550 | 0.9673 | 8,156,260 | 9 | 219 | .028416404 |
| A | 8,359,100 | 0.9120 | 9,165,680 | 8 | 124 | .014317045 |
| A | 8,504,100 | 0.9470 | 8,980,042 | 8 | 79 | .009022940 |
| A | 8,925,700 | 0.9576 | 9,320,906 | 8 | 52 | .002425124 |
| D3 | 9,812,003 | 0.9151 | 10,722,329 | 27 | 1,178 | .169374067 |
| G1 | 9,789,736 | 1.0054 | 9,737,155 | 16 | 38 | .030486416 |
| G1 | 10,472,156 | 1.0303 | 10,164,181 | 7 | 10 | .010738289 |
| G1 | 10,368,146 | 1.2141 | 8,539,779 | 4 | 5 | .252312645 |
| Random Totals: | 74,120,491 | 74,786,332 | 87 | 1,705 | ||
| Catg J Exception Values: | 4,602,694 | 3,980,371 | ||||
| Catg D1 Exception Values: | 9,572,390 | 9,267,740 | ||||
| Catg G1 Exception Values: | 7,710,456 | 6,857,640 | ||||
| Total Test Values (4): | 96,006,031 | 94,892,083 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 4,744,604 |
Confidence Interval Values (5)
| State Lower Limit: | 90,147,479 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 96,006,031 | (Within Confidence Interval) |
| State Upper Limit: | 99,636,687 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 104,122,069 | (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