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2009 Confidence Interval Detail
065/Donley
065-901/Clarendon ISD

Category Summary

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

Stratum
Variance
A 12,110,842 0.9957 12,163,144 10 555 .107459465
A 11,956,434 0.9531 12,544,784 12 265 .101843192
A 11,655,106 1.0075 11,568,343 10 163 .021674486
A 12,334,983 0.9912 12,444,495 10 97 .004496876
D3 16,408,068 1.0041 16,341,070 20 2,039 .031348134
F1 2,747,893 1.0820 2,539,642 6 79 .069176141
F1 2,853,076 0.9658 2,954,106 5 25 .001428007
F1 2,192,960 0.9388 2,335,918 5 7 .007855495
Random Totals: 72,259,362   72,891,502 78 3,230  
Catg J Exception Values: 11,458,245   11,897,430      
Catg D1 Exception Values: 23,610,076   22,834,541      
Catg F1 Exception Values: 2,714,968   2,984,344      
Total Test Values (4): 110,042,651   110,607,817      

Margin of Error

Margin of Error Percent: 5.0000001
Margin of Error Value: 5,530,391

Confidence Interval Values (5)

State Lower Limit: 105,077,426 (State Test Value minus Margin of Error Percent)
Local Test Value: 110,042,651 (Within Confidence Interval)
State Upper Limit: 116,138,208 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 115,555,720 (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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