2007 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 | 2,429,067 | 0.8705 | 2,790,427 | 14 | 201 | .070786060 |
| A | 2,440,174 | 0.9652 | 2,528,154 | 15 | 108 | .016685682 |
| A | 2,429,552 | 0.9274 | 2,619,746 | 12 | 73 | .009887966 |
| A | 2,415,921 | 0.9805 | 2,463,968 | 11 | 40 | .004378179 |
| D3 | 8,837,567 | 1.0066 | 8,779,621 | 26 | 859 | .009604480 |
| Random Totals: | 18,552,281 | 19,181,916 | 78 | 1,281 | ||
| Catg J Exception Values: | 4,842,097 | 4,870,650 | ||||
| Catg D1 Exception Values: | 11,780,925 | 12,220,881 | ||||
| Total Test Values (4): | 35,175,303 | 36,273,447 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 1,813,672 |
Confidence Interval Values (5)
| State Lower Limit: | 34,459,775 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 35,175,303 | (Within Confidence Interval) |
| State Upper Limit: | 38,087,119 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 39,253,662 | (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
