2011 Confidence Interval Detail
022/Brewster
022-004/Terlingua CSD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 5,163,948 | 0.7486 | 6,898,141 | 10 | 188 | .192433547 |
| A | 5,232,039 | 0.9264 | 5,647,710 | 10 | 91 | .018819267 |
| A | 6,439,085 | 0.9604 | 6,704,587 | 11 | 64 | .013575057 |
| A | 3,595,836 | 1.0878 | 3,305,604 | 9 | 17 | .004987005 |
| D3 | 21,512,521 | 1.0146 | 21,202,958 | 18 | 3,394 | .031434943 |
| F1 | 2,636,270 | 0.3330 | 7,916,727 | 8 | 38 | 3.653864131 |
| F1 | 2,914,826 | 0.7374 | 3,952,842 | 5 | 12 | .227124155 |
| F1 | 2,862,070 | 0.7168 | 3,992,843 | 3 | 5 | .014013730 |
| Random Totals: | 50,356,595 | 59,621,412 | 74 | 3,809 | ||
| Catg D1 Exception Values: | 217,330 | 280,111 | ||||
| Catg F1 Exception Values: | 2,073,266 | 1,801,414 | ||||
| Total Test Values (4): | 52,647,191 | 61,702,937 |
Margin of Error
| Margin of Error Percent: | 16.0988722 |
|---|---|
| Margin of Error Value: | 9,933,477 |
Confidence Interval Values (5)
| State Lower Limit: | 51,769,460 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 52,647,191 | (Within Confidence Interval) |
| State Upper Limit: | 71,636,414 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 62,181,685 | (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