2008 Confidence Interval Detail
230/Upshur
230-902/Gilmer ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 73,890,143 | 1.0572 | 69,892,303 | 20 | 1,335 | .018944523 |
| A | 74,034,468 | 1.0441 | 70,907,449 | 13 | 817 | .006340664 |
| A | 72,079,480 | 1.0106 | 71,323,451 | 11 | 583 | .001855567 |
| A | 93,484,060 | 1.0684 | 87,499,120 | 23 | 463 | .005559185 |
| D3 | 229,734,169 | 0.9152 | 251,020,727 | 53 | 6,919 | .086436269 |
| F1 | 15,747,400 | 1.0713 | 14,699,337 | 7 | 208 | .044393041 |
| F1 | 20,435,940 | 0.9189 | 22,239,569 | 6 | 103 | .040321044 |
| F1 | 16,308,160 | 0.8862 | 18,402,347 | 6 | 29 | .101268324 |
| F1 | 17,937,910 | 0.9645 | 18,598,144 | 4 | 8 | .010298646 |
| G1 | 77,624,688 | 0.9773 | 79,427,697 | 13 | 183 | .034017031 |
| G1 | 78,670,323 | 0.9814 | 80,161,324 | 7 | 86 | .008208543 |
| G1 | 78,302,242 | 1.0169 | 77,000,926 | 6 | 49 | .010873510 |
| G1 | 75,588,265 | 0.9975 | 75,777,709 | 5 | 21 | .020423116 |
| Random Totals: | 923,837,248 | 936,950,103 | 174 | 10,804 | ||
| Catg D1 Exception Values: | 11,021,883 | 10,153,065 | ||||
| Total Test Values (4): | 934,859,131 | 947,103,168 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 47,355,158 |
Confidence Interval Values (5)
| State Lower Limit: | 899,748,010 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 934,859,131 | (Within Confidence Interval) |
| State Upper Limit: | 994,458,326 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 928,935,132 | (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