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2006 Confidence Interval Detail
047/Comanche
047-903/Gustine ISD

Category Summary

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

Stratum
Variance
A 1,877,265 0.8542 2,197,688 9 81 .043887254
A 1,903,220 0.8128 2,341,560 10 46 .048235708
A 1,887,390 0.8692 2,171,410 10 31 .007229800
A 1,839,264 0.8827 2,083,680 8 23 .010738436
D3 22,701,830 0.8613 26,357,634 27 1,353 .104371622
Random Totals: 30,208,969   35,151,972 64 1,534  
Catg D1 Exception Values: 6,796,828   6,432,818      
Total Test Values (4): 37,005,797   41,584,790      

Margin of Error

Margin of Error Percent: 7.8729026
Margin of Error Value: 3,273,930

Confidence Interval Values (5)

Local Test Value: 37,005,797 (Outside Confidence Interval)
State Lower Limit: 38,310,860 (State Test Value minus Margin of Error Percent)
State Upper Limit: 44,858,720 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 34,831,777 (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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