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2006 Confidence Interval Detail
035/Castro
035-902/Hart ISD

Category Summary

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

Stratum
Variance
A 2,758,613 1.0298 2,678,785 7 145 .016485960
A 2,720,119 1.0352 2,627,627 7 81 .250986801
A 2,744,082 1.0723 2,559,062 8 48 .104678447
A 2,718,675 1.0167 2,674,019 7 28 .007544706
D3 9,303,850 1.0164 9,153,729 10 636 .003005335
L1 3,654,260 0.9315 3,922,984 8 38 .032002417
Random Totals: 23,899,599   23,616,206 47 976  
Catg J Exception Values: 3,566,760   3,516,799      
Catg D1 Exception Values: 23,517,280   16,029,128      
Total Test Values (4): 50,983,639   43,162,133      

Margin of Error

Margin of Error Percent: 5.0000008
Margin of Error Value: 2,158,107

Confidence Interval Values (5)

State Lower Limit: 41,004,026 (State Test Value minus Margin of Error Percent)
State Upper Limit: 45,320,240 (State Test Value plus Margin of Error Percent)
Local Test Value: 50,983,639 (Outside Confidence Interval)
Value Assigned (6): 52,093,530 (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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