2009 Confidence Interval Detail
072/Erath
111-902/Lipan ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| D3 | 7,787,520 | 1.0215 | 7,623,612 | 18 | 247 | .266177021 |
| G1 | 11,154,260 | 1.0471 | 10,652,526 | 18 | 35 | .009345897 |
| Random Totals: | 18,941,780 | 18,276,138 | 36 | 282 | ||
| Catg J Exception Values: | 1,720 | 1,694 | ||||
| Catg D1 Exception Values: | 1,611,150 | 1,496,614 | ||||
| Total Test Values (4): | 20,554,650 | 19,774,446 |
Margin of Error
| Margin of Error Percent: | 9.3268352 |
|---|---|
| Margin of Error Value: | 1,844,330 |
Confidence Interval Values (5)
| State Lower Limit: | 17,930,116 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 20,554,650 | (Within Confidence Interval) |
| State Upper Limit: | 21,618,776 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 34,036,897 | (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