2010 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 | 9,456,814 | 0.9415 | 10,044,412 | 10 | 334 | .008886913 |
| A | 9,129,514 | 0.9365 | 9,748,547 | 10 | 192 | .006676071 |
| A | 9,368,519 | 0.9574 | 9,785,376 | 10 | 139 | .001397539 |
| A | 9,094,904 | 1.0395 | 8,749,306 | 9 | 82 | .005676800 |
| D3 | 19,863,390 | 1.0097 | 19,672,566 | 19 | 1,275 | .115750105 |
| G1 | 2,619,355 | 0.9784 | 2,677,182 | 5 | 10 | .006238866 |
| G1 | 2,619,629 | 0.9929 | 2,638,361 | 3 | 4 | .000341923 |
| Random Totals: | 62,152,125 | 63,315,750 | 66 | 2,036 | ||
| Catg J Exception Values: | 9,689,690 | 9,480,836 | ||||
| Catg D1 Exception Values: | 8,892,254 | 8,783,634 | ||||
| Catg G1 Exception Values: | 7,122,755 | 7,375,758 | ||||
| Total Test Values (4): | 87,856,824 | 88,955,978 |
Margin of Error
| Margin of Error Percent: | 5.0000001 |
|---|---|
| Margin of Error Value: | 4,447,799 |
Confidence Interval Values (5)
| State Lower Limit: | 84,508,179 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 87,856,824 | (Within Confidence Interval) |
| State Upper Limit: | 93,403,777 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 127,147,396 | (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