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2009 Confidence Interval Detail
143/Lavaca
143-903/Shiner ISD

Category Summary

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

Stratum
Variance
A 19,596,752 0.9784 20,029,387 7 389 .032568598
A 21,132,093 1.0001 21,129,980 7 260 .013932778
A 20,119,589 1.0487 19,185,267 7 174 .006066043
A 21,974,279 0.9992 21,991,872 7 118 .008606741
D3 49,085,568 0.9678 50,718,710 13 2,207 .006043858
F1 3,428,097 1.0133 3,383,102 6 83 .015056946
F1 3,539,863 1.0003 3,538,801 6 34 .015950734
F1 2,976,119 1.0168 2,926,946 5 14 .015782899
F1 3,332,332 0.9607 3,468,650 4 6 .003329944
Random Totals: 145,184,692   146,372,715 62 3,285  
Catg D1 Exception Values: 4,708,682   5,126,940      
Total Test Values (4): 149,893,374   151,499,655      

Margin of Error

Margin of Error Percent: 5.0000002
Margin of Error Value: 7,574,983

Confidence Interval Values (5)

State Lower Limit: 143,924,672 (State Test Value minus Margin of Error Percent)
Local Test Value: 149,893,374 (Within Confidence Interval)
State Upper Limit: 159,074,638 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 180,152,957 (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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