2010 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 | 66,868,150 | 0.9181 | 72,833,188 | 11 | 720 | .065131768 |
| A | 62,513,390 | 0.9555 | 65,424,793 | 10 | 371 | .024189232 |
| A | 63,883,790 | 1.0150 | 62,939,695 | 11 | 270 | .010898814 |
| A | 74,261,490 | 0.9887 | 75,110,236 | 10 | 219 | .012051530 |
| D3 | 195,597,540 | 0.9701 | 201,626,162 | 20 | 2,452 | .025267665 |
| F1 | 15,648,690 | 0.9071 | 17,251,339 | 9 | 110 | .024808269 |
| F1 | 17,732,420 | 0.8991 | 19,722,411 | 9 | 41 | .023514812 |
| F1 | 23,846,890 | 1.2775 | 18,666,841 | 7 | 14 | .106609424 |
| G1 | 16,850,739 | 1.0913 | 15,440,978 | 7 | 26 | .034606232 |
| G1 | 18,588,960 | 1.0125 | 18,359,467 | 6 | 13 | .001708458 |
| G1 | 18,012,670 | 1.1370 | 15,842,278 | 4 | 6 | .019203086 |
| G1 | 13,606,018 | 1.4008 | 9,713,034 | 2 | 3 | .160258711 |
| Random Totals: | 587,410,747 | 592,930,422 | 106 | 4,245 | ||
| Catg J Exception Values: | 33,453,492 | 32,234,766 | ||||
| Catg D1 Exception Values: | 5,925,390 | 5,925,390 | ||||
| Total Test Values (4): | 626,789,629 | 631,090,578 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 31,554,529 |
Confidence Interval Values (5)
| State Lower Limit: | 599,536,049 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 626,789,629 | (Within Confidence Interval) |
| State Upper Limit: | 662,645,107 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 3,241,703,790 | (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