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2006 Confidence Interval Detail
158/Matagorda
158-902/Tidehaven ISD

Category Summary

(1)
Category
(1)
Local
Value
(1)
Stratum
Ratio
(1)
State
Value
(2)
Sample
Size
(3)
Total
Parcels

Stratum
Variance
A 14,752,399 1.0504 14,044,554 12 432 .022970008
A 14,749,234 0.9942 14,835,279 12 234 .011813404
A 14,836,413 1.0054 14,756,727 11 154 .006320061
A 14,647,382 1.0067 14,549,898 10 92 .003354572
D3 29,994,933 1.0231 29,317,694 30 2,932 .006580572
G1 17,464,970 1.0495 16,641,229 5 20 .004016948
G1 19,747,570 0.9855 20,038,123 3 6 .006189129
G1 15,763,688 1.0385 15,179,286 2 3 .000048319
Random Totals: 141,956,589   139,362,790 85 3,873  
Catg J Exception Values: 28,581,780   28,246,093      
Catg D1 Exception Values: 26,552,104   28,653,921      
Catg G1 Exception Values: 14,984,240   14,750,426      
Total Test Values (4): 212,074,713   211,013,230      

Margin of Error

Margin of Error Percent: 5.0000002
Margin of Error Value: 10,550,662

Confidence Interval Values (5)

State Lower Limit: 200,462,568 (State Test Value minus Margin of Error Percent)
Local Test Value: 212,074,713 (Within Confidence Interval)
State Upper Limit: 221,563,892 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 535,687,551 (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

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