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2009 Confidence Interval Detail
039/Clay
039-904/Bellevue ISD

Category Summary

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

Stratum
Variance
A 1,669,120 0.9519 1,753,461 6 64 .008031693
A 1,484,510 1.0273 1,445,060 6 31 .004625039
A 1,807,910 0.9176 1,970,259 6 24 .019311958
A 1,492,040 0.9116 1,636,727 4 12 .007239307
D3 14,677,430 0.9951 14,749,704 28 1,155 .003478542
G1 1,313,260 0.9953 1,319,461 5 24 .001124954
G1 1,397,050 0.9682 1,442,935 4 8 .004222615
G1 1,594,560 0.9105 1,751,301 3 4 .021424184
Random Totals: 25,435,880   26,068,908 62 1,322  
Catg J Exception Values: 6,846,040   6,991,431      
Catg D1 Exception Values: 7,053,810   6,533,153      
Catg G1 Exception Values: 718,940   760,276      
Total Test Values (4): 40,054,670   40,353,768      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 2,017,688

Confidence Interval Values (5)

State Lower Limit: 38,336,080 (State Test Value minus Margin of Error Percent)
Local Test Value: 40,054,670 (Within Confidence Interval)
State Upper Limit: 42,371,456 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 41,980,575 (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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