2009 Confidence Interval Detail
158/Matagorda
158-904/Matagorda ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 45,212,872 | 1.0208 | 44,291,607 | 9 | 450 | .014544433 |
| A | 40,697,600 | 1.0590 | 38,430,217 | 11 | 227 | .017054277 |
| A | 44,741,213 | 1.0846 | 41,251,349 | 10 | 180 | .033477537 |
| A | 41,942,608 | 0.9751 | 43,013,648 | 8 | 108 | .004619539 |
| C | 7,249,944 | 0.9940 | 7,293,706 | 7 | 309 | .015864431 |
| C | 7,276,020 | 0.9787 | 7,434,372 | 6 | 96 | .009508622 |
| C | 6,107,050 | 0.8946 | 6,826,571 | 6 | 52 | .086063262 |
| C | 7,165,330 | 1.0263 | 6,981,711 | 7 | 37 | .000772169 |
| D3 | 11,152,650 | 0.8679 | 12,850,156 | 10 | 1,284 | .021645504 |
| G1 | 1,371,640 | 2.8757 | 476,976 | 5 | 20 | 1.203391875 |
| Random Totals: | 212,916,927 | 208,850,313 | 79 | 2,763 | ||
| Catg D1 Exception Values: | 2,470,040 | 2,887,129 | ||||
| Catg G1 Exception Values: | 3,475,790 | 3,347,409 | ||||
| Total Test Values (4): | 218,862,757 | 215,084,851 |
Margin of Error
| Margin of Error Percent: | 5.0000002 |
|---|---|
| Margin of Error Value: | 10,754,243 |
Confidence Interval Values (5)
| State Lower Limit: | 204,330,608 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 218,862,757 | (Within Confidence Interval) |
| State Upper Limit: | 225,839,094 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 231,862,247 | (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