2008 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 | 14,259,734 | 0.7793 | 18,298,132 | 17 | 591 | .095904483 |
| A | 14,375,980 | 0.8147 | 17,645,735 | 16 | 309 | .046203602 |
| A | 15,466,310 | 0.8686 | 17,806,021 | 17 | 222 | .036565669 |
| A | 17,282,420 | 0.9071 | 19,052,387 | 16 | 128 | .007228630 |
| D3 | 2,701,470 | 0.9419 | 2,868,107 | 18 | 1,255 | .034122680 |
| Random Totals: | 64,085,914 | 75,670,382 | 84 | 2,505 | ||
| Catg J Exception Values: | 2,800,993 | 2,537,812 | ||||
| Catg D1 Exception Values: | 9,373,381 | 9,796,241 | ||||
| Total Test Values (4): | 76,260,288 | 88,004,435 |
Margin of Error
| Margin of Error Percent: | 5.0000003 |
|---|---|
| Margin of Error Value: | 4,400,222 |
Confidence Interval Values (5)
| Local Test Value: | 76,260,288 | (Outside Confidence Interval) |
|---|---|---|
| State Lower Limit: | 83,604,213 | (State Test Value minus Margin of Error Percent) |
| State Upper Limit: | 92,404,657 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 75,325,814 | (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