2008 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 | 2,610,450 | 0.9538 | 2,736,895 | 6 | 84 | .016158317 |
| A | 2,417,500 | 0.9418 | 2,566,893 | 8 | 42 | .015450733 |
| A | 3,261,860 | 1.0128 | 3,220,636 | 7 | 34 | .010106549 |
| A | 2,789,430 | 0.9755 | 2,859,487 | 7 | 16 | .019616805 |
| D3 | 32,804,381 | 1.0555 | 31,079,470 | 41 | 1,268 | .060515953 |
| L1 | 3,103,190 | 0.7346 | 4,224,326 | 10 | 30 | .122772320 |
| Random Totals: | 46,986,811 | 46,687,707 | 79 | 1,474 | ||
| Catg J Exception Values: | 1,696,186 | 1,672,314 | ||||
| Catg D1 Exception Values: | 3,691,180 | 2,901,090 | ||||
| Total Test Values (4): | 52,374,177 | 51,261,111 |
Margin of Error
| Margin of Error Percent: | 5.0000009 |
|---|---|
| Margin of Error Value: | 2,563,056 |
Confidence Interval Values (5)
| State Lower Limit: | 48,698,055 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 52,374,177 | (Within Confidence Interval) |
| State Upper Limit: | 53,824,167 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 48,927,115 | (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