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2007 Confidence Interval Detail
097/Hamilton
018-908/Cranfills Gap ISD

Category Summary

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

Stratum
Variance
D3 10,449,951 1.1218 9,315,342 20 464 .030466008
Random Totals: 10,449,951   9,315,342 20 464  
Catg D1 Exception Values: 2,750,690   2,776,259      
Total Test Values (4): 13,200,641   12,091,601      

Margin of Error

Margin of Error Percent: 6.1473332
Margin of Error Value: 743,311

Confidence Interval Values (5)

State Lower Limit: 11,348,290 (State Test Value minus Margin of Error Percent)
State Upper Limit: 12,834,912 (State Test Value plus Margin of Error Percent)
Local Test Value: 13,200,641 (Outside Confidence Interval)
Value Assigned (6): 12,563,752 (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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