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2011 Confidence Interval Detail
058/Dawson
058-909/Sands ISD

Category Summary

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

Stratum
Variance
A 1,035,130 0.9313 1,111,489 8 39 .014529764
A 1,032,940 0.9140 1,130,131 8 12 .026651143
G1 12,093,010 0.9891 12,226,276 6 16 .005096304
G1 14,077,188 1.0008 14,065,935 5 6 .003533765
Random Totals: 28,238,268   28,533,831 27 73  
Catg D1 Exception Values: 6,043,890   4,858,032      
Catg A Exception Values: 696,420   660,484      
Catg G1 Exception Values: 52,134,147   50,387,835      
Total Test Values (4): 87,112,725   84,440,182      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 4,222,009

Confidence Interval Values (5)

State Lower Limit: 80,218,173 (State Test Value minus Margin of Error Percent)
Local Test Value: 87,112,725 (Within Confidence Interval)
State Upper Limit: 88,662,191 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 95,516,033 (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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