2007 Confidence Interval Detail
174/Nacogdoches
174-908/Central Heights ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 8,102,108 | 0.9258 | 8,751,467 | 8 | 225 | .008690160 |
| A | 8,063,406 | 0.9049 | 8,910,826 | 8 | 115 | .004942031 |
| A | 8,087,496 | 0.9056 | 8,930,539 | 7 | 66 | .010248053 |
| A | 8,014,962 | 1.0142 | 7,902,743 | 6 | 37 | .041661709 |
| D3 | 38,361,681 | 0.8808 | 43,553,225 | 20 | 1,668 | .027396496 |
| G1 | 6,307,041 | 1.0275 | 6,138,239 | 6 | 31 | .039782504 |
| G1 | 5,886,603 | 1.0242 | 5,747,513 | 4 | 9 | .002428206 |
| G1 | 6,767,080 | 1.1360 | 5,956,937 | 3 | 5 | .021604205 |
| Random Totals: | 89,590,377 | 95,891,489 | 62 | 2,156 | ||
| Catg D1 Exception Values: | 7,708,541 | 7,802,665 | ||||
| Catg G1 Exception Values: | 5,293,970 | 4,932,904 | ||||
| Total Test Values (4): | 102,592,888 | 108,627,058 |
Margin of Error
| Margin of Error Percent: | 5.0000001 |
|---|---|
| Margin of Error Value: | 5,431,353 |
Confidence Interval Values (5)
| Local Test Value: | 102,592,888 | (Outside Confidence Interval) |
|---|---|---|
| State Lower Limit: | 103,195,705 | (State Test Value minus Margin of Error Percent) |
| State Upper Limit: | 114,058,411 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 98,124,202 | (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