2008 Confidence Interval Detail
188/Potter
219-901/Happy ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 3,345,379 | 0.9487 | 3,526,277 | 10 | 47 | .007616823 |
| D3 | 5,611,978 | 0.8076 | 6,948,957 | 10 | 368 | .187306817 |
| Random Totals: | 8,957,357 | 10,475,234 | 20 | 415 | ||
| Catg J Exception Values: | 1,418,017 | 1,380,645 | ||||
| Catg D1 Exception Values: | 5,891,778 | 6,635,579 | ||||
| Catg F1 Exception Values: | 2,030,231 | 2,030,538 | ||||
| Catg L1 Exception Values: | 3,448,304 | 3,544,934 | ||||
| Total Test Values (4): | 21,745,687 | 24,066,930 |
Margin of Error
| Margin of Error Percent: | 8.2189419 |
|---|---|
| Margin of Error Value: | 1,978,047 |
Confidence Interval Values (5)
| Local Test Value: | 21,745,687 | (Outside Confidence Interval) |
|---|---|---|
| State Lower Limit: | 22,088,883 | (State Test Value minus Margin of Error Percent) |
| State Upper Limit: | 26,044,977 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 20,865,595 | (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