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2011 Confidence Interval Detail
035/Castro
140-907/Springlake-Earth ISD

Category Summary

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

Stratum
Variance
D3 4,316,480 0.9764 4,420,811 17 320 .000660019
Random Totals: 4,316,480   4,420,811 17 320  
Catg J Exception Values: 1,022,580   1,027,756      
Catg D1 Exception Values: 11,380,770   12,671,452      
Total Test Values (4): 16,719,830   18,120,019      

Margin of Error

Margin of Error Percent: 5.0000003
Margin of Error Value: 906,001

Confidence Interval Values (5)

Local Test Value: 16,719,830 (Outside Confidence Interval)
State Lower Limit: 17,214,018 (State Test Value minus Margin of Error Percent)
State Upper Limit: 19,026,020 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 25,402,452 (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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