2006 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 | 34,325,918 | 1.0286 | 33,371,493 | 17 | 410 | .009158328 |
| A | 34,369,358 | 0.9363 | 36,707,634 | 14 | 217 | .023826589 |
| A | 34,402,109 | 0.9462 | 36,358,179 | 17 | 148 | .009624476 |
| A | 34,136,588 | 0.9627 | 35,459,217 | 16 | 92 | .003743152 |
| C | 4,858,209 | 1.0041 | 4,838,372 | 7 | 334 | .147341705 |
| C | 4,891,929 | 1.0134 | 4,827,244 | 8 | 95 | .008921763 |
| C | 4,906,074 | 0.9934 | 4,938,669 | 10 | 54 | .019353707 |
| C | 4,754,562 | 0.9884 | 4,810,362 | 7 | 28 | .000742184 |
| D3 | 7,225,558 | 0.9392 | 7,693,311 | 13 | 947 | .004237030 |
| Random Totals: | 163,870,305 | 169,004,481 | 109 | 2,325 | ||
| Catg D1 Exception Values: | 2,609,196 | 2,770,482 | ||||
| Total Test Values (4): | 166,479,501 | 171,774,963 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 8,588,748 |
Confidence Interval Values (5)
| State Lower Limit: | 163,186,215 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 166,479,501 | (Within Confidence Interval) |
| State Upper Limit: | 180,363,711 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 178,798,909 | (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
