2010 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 | 13,566,854 | 0.7900 | 17,173,233 | 14 | 524 | .206284535 |
| A | 14,494,186 | 0.9758 | 14,853,644 | 17 | 279 | .103994619 |
| A | 16,252,524 | 0.9827 | 16,538,643 | 15 | 217 | .023310650 |
| A | 16,574,967 | 1.0065 | 16,467,925 | 17 | 122 | .038314206 |
| D3 | 21,314,340 | 0.9703 | 21,966,753 | 20 | 1,505 | .158962612 |
| Random Totals: | 82,202,871 | 87,000,198 | 83 | 2,647 | ||
| Catg J Exception Values: | 2,327,151 | 2,218,242 | ||||
| Catg D1 Exception Values: | 8,994,183 | 9,143,512 | ||||
| Total Test Values (4): | 93,524,205 | 98,361,952 |
Margin of Error
| Margin of Error Percent: | 6.4619793 |
|---|---|
| Margin of Error Value: | 6,356,129 |
Confidence Interval Values (5)
| State Lower Limit: | 92,005,823 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 93,524,205 | (Within Confidence Interval) |
| State Upper Limit: | 104,718,081 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 89,573,118 | (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