2008 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 | 35,438,758 | 0.9002 | 39,367,649 | 15 | 391 | .007614638 |
| A | 36,572,870 | 0.9729 | 37,591,602 | 15 | 227 | .008711341 |
| A | 47,920,220 | 0.9609 | 49,870,143 | 14 | 207 | .019493159 |
| A | 48,541,673 | 0.9823 | 49,416,342 | 14 | 132 | .006091303 |
| C | 5,593,853 | 0.9351 | 5,982,091 | 7 | 284 | .068490189 |
| C | 6,095,450 | 1.0158 | 6,000,640 | 7 | 93 | .014588450 |
| C | 5,015,484 | 1.0080 | 4,975,679 | 12 | 49 | .004277152 |
| C | 9,680,500 | 0.9708 | 9,971,673 | 19 | 59 | .005055353 |
| G1 | 1,710,990 | 0.9737 | 1,757,204 | 3 | 4 | .001641816 |
| Random Totals: | 196,569,798 | 204,933,023 | 106 | 1,446 | ||
| Catg D1 Exception Values: | 2,639,471 | 2,945,854 | ||||
| Catg G1 Exception Values: | 12,748,000 | 12,815,936 | ||||
| Total Test Values (4): | 211,957,269 | 220,694,813 |
Margin of Error
| Margin of Error Percent: | 5.0000002 |
|---|---|
| Margin of Error Value: | 11,034,741 |
Confidence Interval Values (5)
| State Lower Limit: | 209,660,072 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 211,957,269 | (Within Confidence Interval) |
| State Upper Limit: | 231,729,554 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 233,854,913 | (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