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2007 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 1,534,781 0.9287 1,652,612 7 62 .013472049
A 1,498,142 1.0269 1,458,898 9 33 .003232298
A 1,483,422 0.9403 1,577,605 10 21 .011124058
A 1,481,188 0.9339 1,586,024 7 13 .019149668
D3 12,939,730 1.0263 12,608,136 16 1,126 .002602790
G1 1,171,940 0.8199 1,429,369 5 25 .050581022
G1 1,188,670 0.7859 1,512,495 4 7 .038878054
G1 1,070,530 0.9669 1,107,178 3 4 .024137267
Random Totals: 22,368,403   22,932,317 61 1,291  
Catg J Exception Values: 6,280,161   6,524,280      
Catg D1 Exception Values: 7,222,760   6,113,050      
Catg G1 Exception Values: 967,960   1,001,750      
Total Test Values (4): 36,839,284   36,571,397      

Margin of Error

Margin of Error Percent: 5.0000004
Margin of Error Value: 1,828,570

Confidence Interval Values (5)

State Lower Limit: 34,742,827 (State Test Value minus Margin of Error Percent)
Local Test Value: 36,839,284 (Within Confidence Interval)
State Upper Limit: 38,399,967 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 39,144,629 (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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