2007 Confidence Interval Detail
109/Hill
109-912/Aquilla ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 2,572,471 | 0.8462 | 3,040,027 | 8 | 85 | .005916547 |
| A | 2,571,303 | 0.9323 | 2,758,021 | 7 | 43 | .021621055 |
| A | 2,658,464 | 0.9771 | 2,720,770 | 9 | 27 | .005861920 |
| A | 2,474,358 | 0.9613 | 2,573,971 | 5 | 13 | .001091084 |
| D3 | 31,025,706 | 1.0664 | 29,093,873 | 30 | 1,272 | .089695869 |
| L1 | 3,451,430 | 0.6476 | 5,329,571 | 20 | 32 | .278488364 |
| Random Totals: | 44,753,732 | 45,516,233 | 79 | 1,472 | ||
| Catg J Exception Values: | 1,695,543 | 1,681,575 | ||||
| Catg D1 Exception Values: | 3,658,504 | 3,028,847 | ||||
| Total Test Values (4): | 50,107,779 | 50,226,655 |
Margin of Error
| Margin of Error Percent: | 6.4490000 |
|---|---|
| Margin of Error Value: | 3,239,117 |
Confidence Interval Values (5)
| State Lower Limit: | 46,987,538 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 50,107,779 | (Within Confidence Interval) |
| State Upper Limit: | 53,465,772 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 46,931,387 | (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