2009 Confidence Interval Detail
004/Aransas
004-901/Aransas County ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 488,708,626 | 0.9962 | 490,572,803 | 59 | 4,552 | .008317977 |
| A | 473,627,364 | 0.9833 | 481,671,274 | 63 | 2,186 | .006865426 |
| A | 488,365,446 | 0.9650 | 506,078,182 | 40 | 1,341 | .008677116 |
| A | 496,461,091 | 0.9818 | 505,664,179 | 18 | 654 | .009358239 |
| C | 67,190,274 | 0.9911 | 67,793,637 | 24 | 3,437 | .072610378 |
| C | 64,667,030 | 1.0384 | 62,275,645 | 16 | 982 | .015011192 |
| C | 73,167,760 | 0.9349 | 78,262,659 | 10 | 432 | .041490263 |
| C | 63,990,270 | 0.9570 | 66,865,486 | 9 | 121 | .019136312 |
| F1 | 60,650,555 | 0.9965 | 60,863,578 | 10 | 350 | .007326758 |
| F1 | 61,574,061 | 0.9714 | 63,386,927 | 9 | 131 | .014610069 |
| F1 | 62,926,837 | 0.9514 | 66,141,304 | 7 | 59 | .006449675 |
| F1 | 65,403,455 | 0.9650 | 67,775,601 | 7 | 20 | .043534889 |
| Random Totals: | 2,466,732,769 | 2,517,351,275 | 272 | 14,265 | ||
| Catg D1 Exception Values: | 5,686,600 | 6,594,467 | ||||
| Total Test Values (4): | 2,472,419,369 | 2,523,945,742 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 126,197,287 |
Confidence Interval Values (5)
| State Lower Limit: | 2,397,748,455 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 2,472,419,369 | (Within Confidence Interval) |
| State Upper Limit: | 2,650,143,029 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 2,530,194,854 | (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