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2011 Confidence Interval Detail
064/Dimmit
064-903/Carrizo Springs CISD

Category Summary

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

Stratum
Variance
A 23,383,239 0.8214 28,467,542 10 1,125 .301884593
A 29,417,330 0.8629 34,091,239 10 673 .140190759
A 29,837,077 1.0640 28,042,366 10 414 .096628052
A 44,727,683 1.0167 43,993,000 10 301 .034918516
D3 86,269,360 0.7322 117,822,125 15 5,102 .156239907
F1 8,147,557 0.9784 8,327,429 9 197 .036161322
F1 7,260,149 0.9356 7,759,886 8 62 .099494613
F1 7,817,209 0.9609 8,135,299 7 29 .036962599
F1 13,590,283 1.0458 12,995,107 4 18 .044834757
G1 117,408,641 1.0098 116,269,203 10 70 .001211721
G1 125,126,846 0.9722 128,704,841 7 20 .004440839
G1 121,021,933 1.0470 115,589,239 5 10 .001293189
G1 104,536,191 1.0307 101,422,520 2 3 .001488124
Random Totals: 718,543,498   751,619,796 107 8,024  
Catg J Exception Values: 24,181,881   24,754,586      
Catg D1 Exception Values: 71,785,579   75,665,598      
Total Test Values (4): 814,510,958   852,039,980      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 42,601,999

Confidence Interval Values (5)

State Lower Limit: 809,437,981 (State Test Value minus Margin of Error Percent)
Local Test Value: 814,510,958 (Within Confidence Interval)
State Upper Limit: 894,641,979 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 1,021,430,274 (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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