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2007 Confidence Interval Detail
175/Navarro
175-904/Dawson ISD

Category Summary

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

Stratum
Variance
A 4,398,045 0.8236 5,340,025 13 195 .061931168
A 4,415,334 0.8188 5,392,445 18 107 .063819970
A 4,371,199 0.8841 4,944,236 13 71 .044401712
A 4,321,842 0.9069 4,765,511 14 38 .048032435
D3 41,486,110 0.8689 47,745,552 28 2,480 .069414523
Random Totals: 58,992,530   68,187,769 86 2,891  
Catg J Exception Values: 6,696,878   6,672,607      
Catg D1 Exception Values: 9,410,930   9,111,452      
Total Test Values (4): 75,100,338   83,971,828      

Margin of Error

Margin of Error Percent: 5.7648513
Margin of Error Value: 4,840,851

Confidence Interval Values (5)

Local Test Value: 75,100,338 (Outside Confidence Interval)
State Lower Limit: 79,130,977 (State Test Value minus Margin of Error Percent)
State Upper Limit: 88,812,679 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 80,165,639 (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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