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2007 Confidence Interval Detail
180/Oldham
180-902/Vega ISD

Category Summary

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

Stratum
Variance
A 5,147,752 0.9989 5,153,421 18 146 .018424311
A 5,173,210 1.0004 5,171,142 18 79 .008338538
A 5,084,911 1.0661 4,769,638 19 58 .006508314
A 5,117,845 1.0618 4,819,971 18 33 .010312772
D3 13,031,899 0.9085 14,344,413 33 1,005 .098392857
F1 5,322,840 0.9288 5,730,879 21 99 .032425784
Random Totals: 38,878,457   39,989,464 127 1,420  
Catg J Exception Values: 1,016,500   860,789      
Catg D1 Exception Values: 18,209,480   17,363,011      
Total Test Values (4): 58,104,437   58,213,264      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 2,910,663

Confidence Interval Values (5)

State Lower Limit: 55,302,601 (State Test Value minus Margin of Error Percent)
Local Test Value: 58,104,437 (Within Confidence Interval)
State Upper Limit: 61,123,927 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 102,491,729 (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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