2009 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 | 5,400,747 | 0.9236 | 5,847,496 | 7 | 196 | .003500238 |
| A | 5,717,858 | 0.9513 | 6,010,573 | 7 | 94 | .002201746 |
| A | 8,681,491 | 1.0160 | 8,544,775 | 11 | 61 | .001837817 |
| D3 | 21,689,781 | 0.9857 | 22,004,445 | 16 | 3,380 | .000645415 |
| F1 | 3,528,560 | 0.9454 | 3,732,346 | 6 | 40 | .000877186 |
| F1 | 2,962,525 | 0.9687 | 3,058,248 | 5 | 8 | .000322578 |
| F1 | 3,542,066 | 0.9736 | 3,638,112 | 3 | 4 | .000393245 |
| Random Totals: | 51,523,028 | 52,835,995 | 55 | 3,783 | ||
| Catg D1 Exception Values: | 213,770 | 272,673 | ||||
| Total Test Values (4): | 51,736,798 | 53,108,668 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 2,655,433 |
Confidence Interval Values (5)
| State Lower Limit: | 50,453,235 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 51,736,798 | (Within Confidence Interval) |
| State Upper Limit: | 55,764,101 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 59,080,645 | (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