2006 Confidence Interval Detail
213/Somervell
213-901/Glen Rose ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 40,536,501 | 0.9378 | 43,225,102 | 12 | 613 | .067203572 |
| A | 40,592,443 | 0.9325 | 43,530,770 | 18 | 327 | .013585611 |
| A | 40,376,455 | 0.9413 | 42,894,354 | 13 | 215 | .015158079 |
| A | 40,475,102 | 0.9640 | 41,986,620 | 6 | 137 | .015520752 |
| D3 | 133,538,315 | 0.9842 | 135,682,092 | 15 | 2,769 | .057674792 |
| F1 | 11,194,967 | 0.9831 | 11,387,414 | 9 | 117 | .001032182 |
| F1 | 11,193,884 | 0.9892 | 11,316,098 | 7 | 41 | .003074442 |
| F1 | 11,430,877 | 0.9717 | 11,763,792 | 6 | 18 | .001127384 |
| Random Totals: | 329,338,544 | 341,786,242 | 86 | 4,237 | ||
| Catg J Exception Values: | 35,824,930 | 36,174,112 | ||||
| Catg D1 Exception Values: | 6,236,794 | 6,009,857 | ||||
| Catg F1 Exception Values: | 8,371,745 | 8,086,150 | ||||
| Total Test Values (4): | 379,772,013 | 392,056,361 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 19,602,818 |
Confidence Interval Values (5)
| State Lower Limit: | 372,453,543 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 379,772,013 | (Within Confidence Interval) |
| State Upper Limit: | 411,659,179 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 1,966,156,543 | (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
