2010 Confidence Interval Detail
230/Upshur
230-908/Union Grove ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 16,247,950 | 0.9626 | 16,879,233 | 10 | 271 | .015342887 |
| A | 18,140,250 | 0.9300 | 19,505,645 | 9 | 172 | .010775137 |
| A | 18,005,810 | 0.9520 | 18,913,666 | 9 | 114 | .004372029 |
| A | 19,879,010 | 0.9554 | 20,807,002 | 9 | 69 | .003668226 |
| D3 | 39,513,904 | 0.8864 | 44,577,960 | 20 | 1,152 | .154789304 |
| G1 | 20,134,100 | 1.0014 | 20,105,952 | 13 | 65 | .010296126 |
| G1 | 20,520,880 | 1.0256 | 20,008,658 | 8 | 26 | .002556555 |
| G1 | 22,237,878 | 0.9952 | 22,345,135 | 6 | 8 | .000511100 |
| G1 | 16,305,505 | 0.9902 | 16,466,880 | 2 | 3 | .000087365 |
| Random Totals: | 190,985,287 | 199,610,131 | 86 | 1,880 | ||
| Catg J Exception Values: | 812,600 | 788,600 | ||||
| Catg D1 Exception Values: | 686,589 | 689,497 | ||||
| Total Test Values (4): | 192,484,476 | 201,088,228 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 10,054,411 |
Confidence Interval Values (5)
| State Lower Limit: | 191,033,817 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 192,484,476 | (Within Confidence Interval) |
| State Upper Limit: | 211,142,639 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 187,645,770 | (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
