2009 Confidence Interval Detail
003/Angelina
003-906/Zavalla ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 12,317,812 | 1.0017 | 12,296,907 | 16 | 484 | .035716221 |
| A | 12,925,128 | 0.7738 | 16,703,448 | 15 | 261 | .107050140 |
| A | 17,131,571 | 0.8811 | 19,443,390 | 16 | 230 | .011220328 |
| A | 11,986,451 | 0.8950 | 13,392,683 | 15 | 83 | .024429194 |
| D3 | 20,193,304 | 0.9661 | 20,901,878 | 20 | 1,496 | .061729318 |
| Random Totals: | 74,554,266 | 82,738,306 | 82 | 2,554 | ||
| Catg J Exception Values: | 2,471,110 | 2,450,710 | ||||
| Catg D1 Exception Values: | 10,671,335 | 10,430,659 | ||||
| Total Test Values (4): | 87,696,711 | 95,619,675 |
Margin of Error
| Margin of Error Percent: | 5.0000003 |
|---|---|
| Margin of Error Value: | 4,780,984 |
Confidence Interval Values (5)
| Local Test Value: | 87,696,711 | (Outside Confidence Interval) |
|---|---|---|
| State Lower Limit: | 90,838,691 | (State Test Value minus Margin of Error Percent) |
| State Upper Limit: | 100,400,659 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 85,117,266 | (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