2008 Confidence Interval Detail
230/Upshur
092-901/Gladewater ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 92,834,351 | 1.0181 | 91,183,922 | 16 | 1,120 | .000809542 |
| D3 | 32,821,125 | 0.9416 | 34,856,760 | 13 | 962 | .040994609 |
| G1 | 14,763,949 | 1.1093 | 13,309,248 | 5 | 29 | .002908945 |
| G1 | 13,676,237 | 1.0854 | 12,600,181 | 5 | 10 | .015913432 |
| G1 | 15,346,949 | 1.1076 | 13,856,039 | 5 | 7 | .000497429 |
| Random Totals: | 169,442,611 | 165,806,150 | 44 | 2,128 | ||
| Catg D1 Exception Values: | 1,040,258 | 902,175 | ||||
| Catg G1 Exception Values: | 11,263,311 | 10,067,756 | ||||
| Total Test Values (4): | 181,746,180 | 176,776,081 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 8,838,804 |
Confidence Interval Values (5)
| State Lower Limit: | 167,937,277 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 181,746,180 | (Within Confidence Interval) |
| State Upper Limit: | 185,614,885 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 170,811,284 | (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