2008 Confidence Interval Detail
092/Gregg
092-908/White Oak ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 37,591,339 | 0.9378 | 40,084,601 | 11 | 452 | .027431578 |
| A | 46,839,300 | 0.9249 | 50,642,556 | 23 | 388 | .006068404 |
| A | 61,273,720 | 0.9854 | 62,181,571 | 17 | 395 | .007192297 |
| A | 54,036,260 | 1.0001 | 54,030,857 | 13 | 209 | .002683182 |
| G1 | 22,144,600 | 1.0356 | 21,383,353 | 10 | 97 | .008547917 |
| G1 | 22,420,790 | 1.0203 | 21,974,704 | 6 | 42 | .001513366 |
| G1 | 23,538,910 | 0.9843 | 23,914,366 | 5 | 19 | .005951152 |
| G1 | 20,408,640 | 1.0003 | 20,402,519 | 3 | 5 | .001099786 |
| Random Totals: | 288,253,559 | 294,614,527 | 88 | 1,607 | ||
| Catg D1 Exception Values: | 482,154 | 433,831 | ||||
| Total Test Values (4): | 288,735,713 | 295,048,358 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 14,752,418 |
Confidence Interval Values (5)
| State Lower Limit: | 280,295,940 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 288,735,713 | (Within Confidence Interval) |
| State Upper Limit: | 309,800,776 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 353,541,161 | (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