2010 Confidence Interval Detail
118/Irion
118-902/Irion County ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 7,459,810 | 0.8788 | 8,488,632 | 10 | 178 | .034463581 |
| A | 9,852,450 | 1.0069 | 9,784,934 | 9 | 126 | .040200747 |
| A | 9,565,160 | 0.8872 | 10,781,289 | 9 | 78 | .015622547 |
| A | 12,715,190 | 0.8035 | 15,824,754 | 9 | 67 | .018453797 |
| G1 | 120,160,441 | 1.0451 | 114,975,066 | 15 | 313 | .048479162 |
| G1 | 120,888,669 | 1.1256 | 107,399,315 | 14 | 74 | .037341126 |
| G1 | 122,266,451 | 1.0317 | 118,509,694 | 11 | 31 | .005856155 |
| G1 | 115,905,380 | 1.0052 | 115,305,790 | 7 | 10 | .002341022 |
| Random Totals: | 518,813,551 | 501,069,474 | 84 | 877 | ||
| Catg J Exception Values: | 4,819,950 | 4,404,037 | ||||
| Catg D1 Exception Values: | 15,949,580 | 24,357,318 | ||||
| Total Test Values (4): | 539,583,081 | 529,830,829 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 26,491,541 |
Confidence Interval Values (5)
| State Lower Limit: | 503,339,288 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 539,583,081 | (Within Confidence Interval) |
| State Upper Limit: | 556,322,370 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 691,306,631 | (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