2006 Confidence Interval Detail
049/Cooke
049-906/Era ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 4,657,112 | 1.0147 | 4,589,644 | 8 | 103 | .034682511 |
| A | 4,639,922 | 1.0285 | 4,511,349 | 8 | 61 | .009788926 |
| A | 4,700,918 | 1.0469 | 4,490,322 | 9 | 39 | .008638337 |
| A | 4,532,475 | 1.0392 | 4,361,504 | 7 | 21 | .015623887 |
| D3 | 53,095,277 | 0.9269 | 57,282,638 | 26 | 2,261 | .113496527 |
| G1 | 9,171,560 | 1.0322 | 8,885,449 | 11 | 39 | .014494218 |
| Random Totals: | 80,797,264 | 84,120,906 | 69 | 2,524 | ||
| Catg D1 Exception Values: | 8,845,922 | 8,835,966 | ||||
| Total Test Values (4): | 89,643,186 | 92,956,872 |
Margin of Error
| Margin of Error Percent: | 8.1397446 |
|---|---|
| Margin of Error Value: | 7,566,452 |
Confidence Interval Values (5)
| State Lower Limit: | 85,390,420 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 89,643,186 | (Within Confidence Interval) |
| State Upper Limit: | 100,523,324 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 80,050,866 | (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
