2009 Confidence Interval Detail
226/Tom Green
200-902/Miles ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 2,263,990 | 0.9313 | 2,431,000 | 7 | 42 | .020894502 |
| A | 2,219,975 | 0.9687 | 2,291,705 | 5 | 25 | .011543879 |
| A | 2,436,850 | 1.0047 | 2,425,450 | 6 | 20 | .001573331 |
| A | 1,795,850 | 0.9141 | 1,964,610 | 4 | 9 | .002053912 |
| D3 | 10,795,463 | 1.0107 | 10,681,174 | 28 | 568 | .019386300 |
| Random Totals: | 19,512,128 | 19,793,939 | 50 | 664 | ||
| Catg J Exception Values: | 691,969 | 612,210 | ||||
| Catg D1 Exception Values: | 5,659,310 | 6,306,004 | ||||
| Total Test Values (4): | 25,863,407 | 26,712,153 |
Margin of Error
| Margin of Error Percent: | 5.0000013 |
|---|---|
| Margin of Error Value: | 1,335,608 |
Confidence Interval Values (5)
| State Lower Limit: | 25,376,545 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 25,863,407 | (Within Confidence Interval) |
| State Upper Limit: | 28,047,761 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 23,921,100 | (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