2008 Confidence Interval Detail
109/Hill
175-905/Frost ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 3,204,110 | 1.0026 | 3,195,801 | 10 | 67 | .001408088 |
| D3 | 2,218,570 | 1.0355 | 2,142,511 | 10 | 231 | .003386791 |
| Random Totals: | 5,422,680 | 5,338,312 | 20 | 298 | ||
| Catg J Exception Values: | 939,840 | 926,559 | ||||
| Catg D1 Exception Values: | 939,782 | 843,844 | ||||
| Total Test Values (4): | 7,302,302 | 7,108,715 |
Margin of Error
| Margin of Error Percent: | 5.0000035 |
|---|---|
| Margin of Error Value: | 355,436 |
Confidence Interval Values (5)
| State Lower Limit: | 6,753,279 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 7,302,302 | (Within Confidence Interval) |
| State Upper Limit: | 7,464,151 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 7,494,279 | (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