2009 Confidence Interval Detail
158/Matagorda
158-906/Van Vleck ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 67,897,445 | 0.9404 | 72,200,601 | 17 | 1,186 | .106499132 |
| A | 68,332,356 | 0.9635 | 70,920,971 | 16 | 609 | .029414329 |
| A | 69,381,600 | 0.9741 | 71,226,363 | 17 | 444 | .006377869 |
| A | 73,538,400 | 1.0100 | 72,810,297 | 16 | 295 | .011839663 |
| C | 14,231,671 | 0.9844 | 14,457,203 | 7 | 1,843 | .100523746 |
| C | 19,652,320 | 1.0488 | 18,737,910 | 7 | 772 | .004524327 |
| C | 20,792,090 | 1.0529 | 19,747,450 | 7 | 368 | .011320135 |
| C | 11,089,140 | 1.0246 | 10,822,897 | 8 | 108 | .017167130 |
| D3 | 49,457,919 | 0.9851 | 50,205,988 | 13 | 3,127 | .006652566 |
| G1 | 25,445,500 | 1.0155 | 25,057,115 | 5 | 21 | .028996922 |
| G1 | 33,468,750 | 1.0429 | 32,092,003 | 4 | 7 | .050780374 |
| Random Totals: | 453,287,191 | 458,278,798 | 117 | 8,780 | ||
| Catg J Exception Values: | 12,758,648 | 12,596,649 | ||||
| Catg D1 Exception Values: | 16,140,116 | 19,153,318 | ||||
| Catg G1 Exception Values: | 36,837,014 | 23,302,898 | ||||
| Total Test Values (4): | 519,022,969 | 513,331,663 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 25,666,583 |
Confidence Interval Values (5)
| State Lower Limit: | 487,665,080 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 519,022,969 | (Within Confidence Interval) |
| State Upper Limit: | 538,998,246 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 580,456,267 | (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