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2006 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 3,804,472 0.9268 4,104,955 11 202 .045614068
A 3,793,054 0.8736 4,341,866 14 110 .068662865
A 3,749,769 0.9098 4,121,531 14 70 .026412143
A 3,774,017 0.9622 3,922,279 15 35 .029517309
D3 33,079,545 0.9502 34,813,245 25 2,607 .062225780
Random Totals: 48,200,857   51,303,876 79 3,024  
Catg J Exception Values: 6,635,590   6,699,203      
Catg D1 Exception Values: 9,466,020   9,510,083      
Total Test Values (4): 64,302,467   67,513,162      

Margin of Error

Margin of Error Percent: 5.2539533
Margin of Error Value: 3,547,110

Confidence Interval Values (5)

State Lower Limit: 63,966,052 (State Test Value minus Margin of Error Percent)
Local Test Value: 64,302,467 (Within Confidence Interval)
State Upper Limit: 71,060,272 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 59,311,536 (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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