2007 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 | 14,538,081 | 0.7423 | 19,585,183 | 13 | 610 | .053876416 |
| A | 14,517,448 | 0.8711 | 16,665,650 | 18 | 312 | .022720917 |
| A | 14,513,382 | 0.9401 | 15,438,126 | 14 | 209 | .013364222 |
| A | 14,470,284 | 0.8864 | 16,324,779 | 15 | 112 | .008227331 |
| D3 | 2,280,930 | 0.9716 | 2,347,602 | 11 | 1,247 | .498004462 |
| Random Totals: | 60,320,125 | 70,361,340 | 71 | 2,490 | ||
| Catg J Exception Values: | 2,396,805 | 2,521,536 | ||||
| Catg D1 Exception Values: | 7,061,178 | 6,892,952 | ||||
| Total Test Values (4): | 69,778,108 | 79,775,828 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 3,988,791 |
Confidence Interval Values (5)
| Local Test Value: | 69,778,108 | (Outside Confidence Interval) |
|---|---|---|
| State Lower Limit: | 75,787,037 | (State Test Value minus Margin of Error Percent) |
| State Upper Limit: | 83,764,619 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 67,673,093 | (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