2007 Confidence Interval Detail
125/Jim Wells
125-905/Premont ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 6,612,656 | 0.9503 | 6,958,493 | 7 | 334 | .007267305 |
| A | 6,589,284 | 0.9979 | 6,603,151 | 7 | 195 | .009884508 |
| A | 6,614,058 | 0.9078 | 7,285,810 | 7 | 136 | .001683099 |
| A | 6,523,809 | 0.9415 | 6,929,165 | 8 | 81 | .005014776 |
| D3 | 17,071,718 | 0.9385 | 18,190,429 | 14 | 1,966 | .026279930 |
| G1 | 2,762,649 | 1.0922 | 2,529,435 | 6 | 18 | .014809165 |
| G1 | 3,057,279 | 1.0201 | 2,997,039 | 3 | 5 | .002595411 |
| Random Totals: | 49,231,453 | 51,493,522 | 52 | 2,735 | ||
| Catg J Exception Values: | 6,719,003 | 6,956,557 | ||||
| Catg D1 Exception Values: | 9,797,364 | 10,564,468 | ||||
| Catg G1 Exception Values: | 4,475,733 | 4,207,168 | ||||
| Total Test Values (4): | 70,223,553 | 73,221,715 |
Margin of Error
| Margin of Error Percent: | 5.0000003 |
|---|---|
| Margin of Error Value: | 3,661,086 |
Confidence Interval Values (5)
| State Lower Limit: | 69,560,629 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 70,223,553 | (Within Confidence Interval) |
| State Upper Limit: | 76,882,801 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 123,860,250 | (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