2007 Confidence Interval Detail
015/Bexar
015-909/Somerset ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 53,498,298 | 0.9734 | 54,960,240 | 17 | 1,103 | .061284240 |
| A | 53,489,498 | 1.1708 | 45,686,281 | 16 | 651 | .024141328 |
| A | 53,466,599 | 0.9934 | 53,821,823 | 15 | 470 | .033968064 |
| A | 53,480,087 | 1.0303 | 51,907,296 | 23 | 276 | .030205158 |
| C | 6,519,276 | 0.7925 | 8,226,216 | 7 | 685 | .063423785 |
| C | 6,517,953 | 1.0365 | 6,288,425 | 8 | 329 | .114795925 |
| C | 7,191,541 | 1.1829 | 6,079,585 | 8 | 241 | .095451145 |
| C | 5,798,608 | 1.1087 | 5,230,097 | 8 | 118 | .037638181 |
| D3 | 64,519,546 | 1.0594 | 60,901,969 | 22 | 1,980 | .001746932 |
| F1 | 5,739,210 | 0.8926 | 6,429,767 | 8 | 67 | .034409188 |
| F1 | 5,639,270 | 0.9029 | 6,245,730 | 6 | 30 | .010594917 |
| F1 | 5,971,351 | 0.9145 | 6,529,635 | 6 | 17 | .016595824 |
| F1 | 5,083,166 | 0.9846 | 5,162,671 | 4 | 5 | .171113251 |
| Random Totals: | 326,914,403 | 317,469,735 | 148 | 5,972 | ||
| Catg D1 Exception Values: | 2,321,656 | 3,306,700 | ||||
| Total Test Values (4): | 329,236,059 | 320,776,435 |
Margin of Error
| Margin of Error Percent: | 5.0000001 |
|---|---|
| Margin of Error Value: | 16,038,822 |
Confidence Interval Values (5)
| State Lower Limit: | 304,737,613 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 329,236,059 | (Within Confidence Interval) |
| State Upper Limit: | 336,815,257 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 317,294,529 | (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