2008 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 | 5,872,150 | 0.9374 | 6,264,295 | 17 | 203 | .031135753 |
| A | 6,340,450 | 0.7957 | 7,968,393 | 13 | 117 | .023527685 |
| A | 7,819,650 | 0.9422 | 8,299,353 | 18 | 94 | .007771055 |
| A | 12,752,650 | 0.9471 | 13,464,946 | 19 | 86 | .010204144 |
| D3 | 8,575,250 | 0.8400 | 10,208,631 | 25 | 1,180 | .095517157 |
| G1 | 15,490,800 | 1.0179 | 15,218,391 | 10 | 35 | .007030463 |
| G1 | 15,867,470 | 1.1916 | 13,316,104 | 5 | 8 | .097389492 |
| G1 | 19,151,509 | 1.2332 | 15,529,929 | 4 | 5 | .057469592 |
| Random Totals: | 91,869,929 | 90,270,042 | 111 | 1,728 | ||
| Catg J Exception Values: | 5,476,914 | 5,049,611 | ||||
| Catg D1 Exception Values: | 9,344,050 | 8,644,562 | ||||
| Catg G1 Exception Values: | 9,849,780 | 11,424,306 | ||||
| Total Test Values (4): | 116,540,673 | 115,388,521 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 5,769,426 |
Confidence Interval Values (5)
| State Lower Limit: | 109,619,095 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 116,540,673 | (Within Confidence Interval) |
| State Upper Limit: | 121,157,947 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 123,582,836 | (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