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 | 1.0360 | 11,889,780 | 15 | 484 | .020872660 |
| A | 12,925,128 | 0.8833 | 14,632,773 | 13 | 261 | .017607246 |
| A | 17,131,571 | 0.8870 | 19,314,060 | 15 | 230 | .011002187 |
| A | 11,986,451 | 0.8984 | 13,341,998 | 15 | 83 | .022457364 |
| D3 | 20,193,304 | 0.9688 | 20,843,625 | 17 | 1,496 | .062266870 |
| Random Totals: | 74,554,266 | 80,022,236 | 75 | 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 | 92,903,605 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 4,645,180 |
Confidence Interval Values (5)
| Local Test Value: | 87,696,711 | (Outside Confidence Interval) |
|---|---|---|
| State Lower Limit: | 88,258,425 | (State Test Value minus Margin of Error Percent) |
| State Upper Limit: | 97,548,785 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 83,606,404 | (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