2008 Confidence Interval Detail
209/Shackelford
127-905/Lueders-Avoca ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| D3 | 2,984,311 | 0.8561 | 3,485,937 | 11 | 299 | .001040339 |
| G1 | 1,671,910 | 1.1323 | 1,476,561 | 5 | 16 | .014517711 |
| G1 | 1,854,550 | 1.1962 | 1,550,368 | 5 | 8 | .011584936 |
| Random Totals: | 6,510,771 | 6,512,866 | 21 | 323 | ||
| Catg J Exception Values: | 261,157 | 243,666 | ||||
| Catg D1 Exception Values: | 3,747,996 | 3,653,149 | ||||
| Catg G1 Exception Values: | 4,794,770 | 4,440,442 | ||||
| Total Test Values (4): | 15,314,694 | 14,850,123 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 742,506 |
Confidence Interval Values (5)
| State Lower Limit: | 14,107,617 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 15,314,694 | (Within Confidence Interval) |
| State Upper Limit: | 15,592,629 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 21,038,776 | (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