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2011 Confidence Interval Detail
126/Johnson
126-911/Godley ISD

Category Summary

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

Stratum
Variance
A 35,079,449 0.8487 41,333,155 7 637 .096457410
A 34,600,546 0.9518 36,352,748 9 406 .010807317
A 33,749,269 0.9561 35,298,890 7 242 .010047898
A 34,756,038 1.0482 33,157,831 7 148 .002106747
D3 65,157,122 0.6974 93,428,623 15 1,526 .347352648
G1 102,182,266 1.0492 97,390,646 9 164 .021096907
G1 102,060,211 1.0236 99,707,123 9 81 .048382695
G1 102,301,325 1.0221 100,089,350 9 54 .002341855
G1 100,574,196 1.0054 100,034,012 8 35 .005740743
Random Totals: 610,460,422   636,792,378 80 3,293  
Catg J Exception Values: 4,178,592   4,796,889      
Catg D1 Exception Values: 5,491,815   3,446,546      
Total Test Values (4): 620,130,829   645,035,813      

Margin of Error

Margin of Error Percent: 5.3726992
Margin of Error Value: 34,655,834

Confidence Interval Values (5)

State Lower Limit: 610,379,979 (State Test Value minus Margin of Error Percent)
Local Test Value: 620,130,829 (Within Confidence Interval)
State Upper Limit: 679,691,647 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 1,039,178,974 (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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