2009 Confidence Interval Detail
248/Winkler
248-902/Wink-Loving ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 2,421,295 | 0.6895 | 3,511,668 | 7 | 143 | .050468989 |
| A | 2,449,500 | 0.6899 | 3,550,515 | 6 | 76 | .094338968 |
| A | 2,666,800 | 0.8476 | 3,146,295 | 6 | 58 | .051157697 |
| A | 2,805,570 | 0.8846 | 3,171,569 | 6 | 35 | .017491433 |
| G1 | 75,633,528 | 1.0315 | 73,323,827 | 6 | 86 | .028689564 |
| G1 | 74,802,011 | 1.0246 | 73,006,062 | 6 | 31 | .005564322 |
| G1 | 74,539,000 | 1.0178 | 73,235,410 | 5 | 17 | .002466565 |
| G1 | 73,993,655 | 0.9761 | 75,805,404 | 4 | 9 | .001296082 |
| Random Totals: | 309,311,359 | 308,750,750 | 46 | 455 | ||
| Catg J Exception Values: | 15,273,670 | 15,429,459 | ||||
| Catg D1 Exception Values: | 632,509 | 2,347,692 | ||||
| Catg G1 Exception Values: | 112,077,503 | 103,921,085 | ||||
| Total Test Values (4): | 437,295,041 | 430,448,986 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 21,522,449 |
Confidence Interval Values (5)
| State Lower Limit: | 408,926,537 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 437,295,041 | (Within Confidence Interval) |
| State Upper Limit: | 451,971,435 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 526,135,569 | (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