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2011 Confidence Interval Detail
142/La Salle
082-902/Dilley ISD

Category Summary

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

Stratum
Variance
D3 12,772,150 0.8586 14,875,553 15 759 .112461042
Random Totals: 12,772,150   14,875,553 15 759  
Catg J Exception Values: 3,273,392   3,299,174      
Catg D1 Exception Values: 5,484,650   5,950,979      
Total Test Values (4): 21,530,192   24,125,706      

Margin of Error

Margin of Error Percent: 11.3116980
Margin of Error Value: 2,729,027

Confidence Interval Values (5)

State Lower Limit: 21,396,679 (State Test Value minus Margin of Error Percent)
Local Test Value: 21,530,192 (Within Confidence Interval)
State Upper Limit: 26,854,733 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 29,482,827 (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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