2007 Confidence Interval Detail
230/Upshur
230-901/Big Sandy ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 15,137,875 | 1.0285 | 14,718,401 | 16 | 297 | .090623872 |
| A | 15,071,089 | 1.0645 | 14,157,904 | 17 | 174 | .023812047 |
| A | 15,065,661 | 1.1876 | 12,685,804 | 17 | 120 | .021440812 |
| A | 15,038,859 | 1.0420 | 14,432,686 | 16 | 77 | .014168984 |
| D3 | 61,512,480 | 1.0729 | 57,332,911 | 21 | 2,467 | .051572974 |
| F1 | 2,437,628 | 0.7006 | 3,479,343 | 6 | 37 | .050879319 |
| F1 | 2,509,053 | 0.8559 | 2,931,479 | 5 | 18 | .073165141 |
| F1 | 2,584,404 | 0.8234 | 3,138,698 | 4 | 8 | .023019945 |
| G1 | 5,545,928 | 0.9260 | 5,989,123 | 8 | 19 | .006841145 |
| L1 | 1,709,932 | 0.8759 | 1,952,200 | 6 | 54 | .059767702 |
| L1 | 1,767,779 | 0.7354 | 2,403,833 | 4 | 12 | .191532231 |
| L1 | 1,860,129 | 1.1613 | 1,601,764 | 2 | 4 | .062273537 |
| Random Totals: | 140,240,817 | 134,824,146 | 122 | 3,287 | ||
| Catg J Exception Values: | 10,350,298 | 9,948,765 | ||||
| Catg D1 Exception Values: | 4,664,716 | 4,056,030 | ||||
| Catg F1 Exception Values: | 4,147,290 | 6,589,140 | ||||
| Catg G1 Exception Values: | 13,378,215 | 13,445,044 | ||||
| Catg L1 Exception Values: | 4,117,070 | 4,102,640 | ||||
| Total Test Values (4): | 176,898,406 | 172,965,765 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 8,648,288 |
Confidence Interval Values (5)
| State Lower Limit: | 164,317,477 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 176,898,406 | (Within Confidence Interval) |
| State Upper Limit: | 181,614,053 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 157,304,509 | (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