2008 Confidence Interval Detail
230/Upshur
230-906/New Diana ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 16,322,500 | 1.0793 | 15,123,228 | 9 | 280 | .018942475 |
| A | 17,159,450 | 1.0694 | 16,045,867 | 9 | 175 | .002189041 |
| A | 19,544,960 | 0.9083 | 21,518,177 | 8 | 153 | .025224014 |
| A | 26,097,400 | 1.0291 | 25,359,440 | 10 | 126 | .006616236 |
| D3 | 64,538,008 | 0.9825 | 65,687,540 | 21 | 1,947 | .028881739 |
| G1 | 3,407,369 | 1.0273 | 3,316,820 | 10 | 15 | .018978629 |
| Random Totals: | 147,069,687 | 147,051,072 | 67 | 2,696 | ||
| Catg D1 Exception Values: | 2,448,434 | 2,303,567 | ||||
| Catg G1 Exception Values: | 4,994,183 | 5,081,144 | ||||
| Total Test Values (4): | 154,512,304 | 154,435,783 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 7,721,789 |
Confidence Interval Values (5)
| State Lower Limit: | 146,713,994 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 154,512,304 | (Within Confidence Interval) |
| State Upper Limit: | 162,157,572 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 139,443,613 | (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