2008 Confidence Interval Detail
085/Garza
085-902/Post ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 8,703,660 | 0.8108 | 10,734,657 | 8 | 476 | .141990719 |
| A | 10,018,470 | 0.7912 | 12,662,374 | 10 | 282 | .062709032 |
| A | 12,131,880 | 0.8541 | 14,204,285 | 8 | 197 | .051447891 |
| A | 16,516,920 | 0.8536 | 19,349,719 | 6 | 93 | .033362640 |
| D3 | 20,576,930 | 0.7581 | 27,142,765 | 22 | 2,621 | .022998439 |
| G1 | 140,786,840 | 1.2239 | 115,031,326 | 14 | 156 | .089488873 |
| G1 | 148,713,332 | 1.0463 | 142,132,593 | 9 | 24 | .016885364 |
| G1 | 152,294,408 | 1.0308 | 147,743,896 | 5 | 7 | .003184641 |
| Random Totals: | 509,742,440 | 489,001,615 | 82 | 3,856 | ||
| Catg D1 Exception Values: | 24,747,570 | 30,018,602 | ||||
| Catg G1 Exception Values: | 109,093,361 | 108,983,885 | ||||
| Total Test Values (4): | 643,583,371 | 628,004,102 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 31,400,205 |
Confidence Interval Values (5)
| State Lower Limit: | 596,603,897 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 643,583,371 | (Within Confidence Interval) |
| State Upper Limit: | 659,404,307 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 815,383,541 | (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
