2010 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 | 45,500,562 | 0.9939 | 45,779,819 | 15 | 442 | .037424605 |
| A | 41,652,570 | 0.9677 | 43,042,854 | 14 | 231 | .010689819 |
| A | 42,910,073 | 0.9959 | 43,086,729 | 14 | 173 | .019384760 |
| A | 47,832,618 | 0.9135 | 52,361,924 | 13 | 125 | .007435607 |
| C | 7,284,807 | 0.9730 | 7,486,955 | 10 | 303 | .013296274 |
| C | 7,030,960 | 0.9979 | 7,045,756 | 10 | 94 | .020719102 |
| C | 5,894,590 | 0.9463 | 6,229,092 | 8 | 50 | .039851774 |
| C | 6,260,740 | 0.9734 | 6,431,827 | 8 | 32 | .005901919 |
| Random Totals: | 204,366,920 | 211,464,956 | 92 | 1,450 | ||
| Catg J Exception Values: | 2,755,019 | 3,034,121 | ||||
| Catg D1 Exception Values: | 2,476,432 | 2,965,756 | ||||
| Total Test Values (4): | 209,598,371 | 217,464,833 |
Margin of Error
| Margin of Error Percent: | 5.0000002 |
|---|---|
| Margin of Error Value: | 10,873,242 |
Confidence Interval Values (5)
| State Lower Limit: | 206,591,591 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 209,598,371 | (Within Confidence Interval) |
| State Upper Limit: | 228,338,075 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 253,028,876 | (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