2009 Confidence Interval Detail
143/Lavaca
143-906/Ezzell ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| D3 | 28,879,628 | 1.0270 | 28,120,378 | 20 | 2,047 | .005847615 |
| G1 | 19,898,280 | 0.9464 | 21,025,232 | 9 | 41 | .053953140 |
| G1 | 18,544,751 | 0.9556 | 19,406,395 | 6 | 16 | .092834888 |
| G1 | 21,078,348 | 1.0123 | 20,822,235 | 5 | 9 | .001734171 |
| G1 | 17,244,380 | 1.0343 | 16,672,513 | 2 | 3 | .010020769 |
| Random Totals: | 105,645,387 | 106,046,753 | 42 | 2,116 | ||
| Catg J Exception Values: | 1,596,200 | 1,543,661 | ||||
| Catg D1 Exception Values: | 7,208,268 | 7,330,101 | ||||
| Total Test Values (4): | 114,449,855 | 114,920,515 |
Margin of Error
| Margin of Error Percent: | 5.0000002 |
|---|---|
| Margin of Error Value: | 5,746,026 |
Confidence Interval Values (5)
| State Lower Limit: | 109,174,489 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 114,449,855 | (Within Confidence Interval) |
| State Upper Limit: | 120,666,541 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 126,499,183 | (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