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2008 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 4,510,530 0.9297 4,851,597 15 196 .037374968
A 4,367,620 0.8591 5,083,948 17 106 .036268713
A 4,574,870 1.0041 4,556,190 15 76 .025345114
A 4,453,180 0.9783 4,551,957 14 40 .040711037
D3 46,085,310 0.9513 48,444,560 40 2,560 .135612474
Random Totals: 63,991,510   67,488,252 101 2,978  
Catg J Exception Values: 30,302,009   34,394,214      
Catg D1 Exception Values: 9,253,180   8,723,682      
Total Test Values (4): 103,546,699   110,606,148      

Margin of Error

Margin of Error Percent: 5.0763272
Margin of Error Value: 5,614,730

Confidence Interval Values (5)

Local Test Value: 103,546,699 (Outside Confidence Interval)
State Lower Limit: 104,991,418 (State Test Value minus Margin of Error Percent)
State Upper Limit: 116,220,878 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 95,083,419 (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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