2008 Confidence Interval Detail
109/Hill
109-913/Blum ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 3,469,690 | 0.9591 | 3,617,652 | 11 | 109 | .003591560 |
| A | 3,467,730 | 0.8764 | 3,956,789 | 11 | 64 | .022172143 |
| A | 3,890,720 | 0.9133 | 4,260,068 | 10 | 51 | .011441995 |
| A | 4,045,720 | 0.9996 | 4,047,339 | 10 | 32 | .018736307 |
| D3 | 37,586,680 | 0.9910 | 37,928,032 | 40 | 1,471 | .012084854 |
| G1 | 20,727,690 | 1.0043 | 20,638,943 | 21 | 31 | .003156206 |
| Random Totals: | 73,188,230 | 74,448,823 | 103 | 1,758 | ||
| Catg J Exception Values: | 15,167,516 | 16,260,298 | ||||
| Catg D1 Exception Values: | 4,876,068 | 3,674,872 | ||||
| Total Test Values (4): | 93,231,814 | 94,383,993 |
Margin of Error
| Margin of Error Percent: | 5.0000004 |
|---|---|
| Margin of Error Value: | 4,719,200 |
Confidence Interval Values (5)
| State Lower Limit: | 89,664,793 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 93,231,814 | (Within Confidence Interval) |
| State Upper Limit: | 99,103,193 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 117,704,849 | (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