2008 Confidence Interval Detail
247/Wilson
247-904/Poth ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 15,642,560 | 0.8905 | 17,566,042 | 9 | 340 | .021644723 |
| A | 12,821,690 | 0.9011 | 14,228,931 | 9 | 158 | .031279027 |
| A | 13,372,970 | 0.7917 | 16,891,461 | 8 | 119 | .079917183 |
| A | 12,651,050 | 1.0407 | 12,156,289 | 8 | 76 | .004375846 |
| D3 | 54,069,656 | 0.8868 | 60,971,646 | 20 | 2,869 | .028769368 |
| Random Totals: | 108,557,926 | 121,814,369 | 54 | 3,562 | ||
| Catg D1 Exception Values: | 16,717,460 | 14,764,848 | ||||
| Total Test Values (4): | 125,275,386 | 136,579,217 |
Margin of Error
| Margin of Error Percent: | 5.0000001 |
|---|---|
| Margin of Error Value: | 6,828,961 |
Confidence Interval Values (5)
| Local Test Value: | 125,275,386 | (Outside Confidence Interval) |
|---|---|---|
| State Lower Limit: | 129,750,256 | (State Test Value minus Margin of Error Percent) |
| State Upper Limit: | 143,408,178 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 141,283,681 | (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