2009 Confidence Interval Detail
072/Erath
182-901/Gordon ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| D3 | 10,404,930 | 0.9751 | 10,670,629 | 30 | 329 | .014110779 |
| Random Totals: | 10,404,930 | 10,670,629 | 30 | 329 | ||
| Catg J Exception Values: | 692,021 | 700,532 | ||||
| Catg D1 Exception Values: | 1,611,260 | 1,486,950 | ||||
| Total Test Values (4): | 12,708,211 | 12,858,111 |
Margin of Error
| Margin of Error Percent: | 5.0000035 |
|---|---|
| Margin of Error Value: | 642,906 |
Confidence Interval Values (5)
| State Lower Limit: | 12,215,205 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 12,708,211 | (Within Confidence Interval) |
| State Upper Limit: | 13,501,017 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 14,289,204 | (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