2008 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 | 32,044,745 | 0.9762 | 32,826,004 | 16 | 700 | .023732015 |
| A | 31,885,259 | 1.0603 | 30,071,922 | 16 | 410 | .026242376 |
| A | 38,142,470 | 0.9883 | 38,594,020 | 15 | 335 | .014706186 |
| A | 56,533,111 | 1.0467 | 54,010,806 | 17 | 265 | .014459393 |
| C | 3,858,590 | 1.3744 | 2,807,472 | 7 | 418 | .015780356 |
| C | 2,541,120 | 1.1125 | 2,284,153 | 6 | 125 | .142936391 |
| C | 4,263,860 | 1.1839 | 3,601,537 | 7 | 146 | .023551674 |
| C | 4,038,997 | 1.0112 | 3,994,261 | 8 | 65 | .018630974 |
| D3 | 58,399,348 | 1.1055 | 52,826,185 | 15 | 1,420 | .045753017 |
| F1 | 4,863,640 | 0.8106 | 6,000,049 | 6 | 61 | .026903778 |
| F1 | 5,742,068 | 0.9961 | 5,764,550 | 6 | 32 | .027199219 |
| F1 | 5,128,360 | 0.9639 | 5,320,427 | 6 | 14 | .025247572 |
| F1 | 6,296,943 | 1.0398 | 6,055,917 | 3 | 7 | .006146072 |
| Random Totals: | 253,738,511 | 244,157,303 | 128 | 3,998 | ||
| Catg D1 Exception Values: | 1,851,177 | 2,116,319 | ||||
| Total Test Values (4): | 255,589,688 | 246,273,622 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 12,313,681 |
Confidence Interval Values (5)
| State Lower Limit: | 233,959,941 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 255,589,688 | (Within Confidence Interval) |
| State Upper Limit: | 258,587,303 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 242,538,803 | (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