2008 Confidence Interval Detail
015/Bexar
163-908/Medina Valley ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 106,760,242 | 0.9618 | 111,000,460 | 13 | 1,046 | .007849871 |
| C | 16,354,160 | 1.1570 | 14,134,970 | 10 | 321 | .044200863 |
| D3 | 56,067,367 | 1.1942 | 46,949,730 | 12 | 383 | .036455551 |
| F1 | 52,138,226 | 0.9547 | 54,612,157 | 10 | 102 | .000305074 |
| Random Totals: | 231,319,995 | 226,697,317 | 45 | 1,852 | ||
| Catg D1 Exception Values: | 2,316,292 | 2,628,173 | ||||
| Total Test Values (4): | 233,636,287 | 229,325,490 |
Margin of Error
| Margin of Error Percent: | 5.0000002 |
|---|---|
| Margin of Error Value: | 11,466,275 |
Confidence Interval Values (5)
| State Lower Limit: | 217,859,215 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 233,636,287 | (Within Confidence Interval) |
| State Upper Limit: | 240,791,765 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 235,067,631 | (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