2007 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 | 17,683,375 | 1.0298 | 17,171,660 | 15 | 281 | .052658805 |
| A | 17,826,493 | 1.0428 | 17,094,834 | 15 | 170 | .026527827 |
| A | 17,559,004 | 1.0681 | 16,439,476 | 15 | 127 | .016905534 |
| A | 17,557,964 | 1.0335 | 16,988,838 | 15 | 77 | .012424124 |
| D3 | 65,788,810 | 0.9950 | 66,119,407 | 20 | 2,074 | .032220667 |
| Random Totals: | 136,415,646 | 133,814,215 | 80 | 2,729 | ||
| Catg D1 Exception Values: | 2,960,240 | 2,607,953 | ||||
| Total Test Values (4): | 139,375,886 | 136,422,168 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 6,821,108 |
Confidence Interval Values (5)
| State Lower Limit: | 129,601,060 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 139,375,886 | (Within Confidence Interval) |
| State Upper Limit: | 143,243,276 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 130,779,588 | (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