2008 Confidence Interval Detail
254/Zavala
254-902/La Pryor ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 2,414,415 | 0.8688 | 2,779,023 | 7 | 195 | .167739789 |
| A | 2,417,165 | 0.8154 | 2,964,392 | 7 | 106 | .065877661 |
| A | 2,476,406 | 0.9740 | 2,542,511 | 6 | 73 | .020459361 |
| A | 2,481,647 | 0.8715 | 2,847,558 | 6 | 40 | .009941748 |
| D3 | 9,760,159 | 0.9348 | 10,440,906 | 13 | 842 | .075955559 |
| Random Totals: | 19,549,792 | 21,574,390 | 39 | 1,256 | ||
| Catg J Exception Values: | 4,878,278 | 4,788,202 | ||||
| Catg D1 Exception Values: | 12,055,693 | 12,982,507 | ||||
| Total Test Values (4): | 36,483,763 | 39,345,099 |
Margin of Error
| Margin of Error Percent: | 5.0000001 |
|---|---|
| Margin of Error Value: | 1,967,255 |
Confidence Interval Values (5)
| Local Test Value: | 36,483,763 | (Outside Confidence Interval) |
|---|---|---|
| State Lower Limit: | 37,377,844 | (State Test Value minus Margin of Error Percent) |
| State Upper Limit: | 41,312,354 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 39,600,232 | (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