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2006 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 19,180,339 0.9152 20,957,538 24 402 .020544546
D3 10,222,271 0.8309 12,302,649 20 961 .124400458
F1 5,084,470 0.7406 6,865,339 20 103 .609407653
Random Totals: 34,487,080   40,125,526 64 1,466  
Catg J Exception Values: 1,086,851   1,038,018      
Catg D1 Exception Values: 17,328,280   14,932,433      
Total Test Values (4): 52,902,211   56,095,977      

Margin of Error

Margin of Error Percent: 5.5608943
Margin of Error Value: 3,119,438

Confidence Interval Values (5)

Local Test Value: 52,902,211 (Outside Confidence Interval)
State Lower Limit: 52,976,539 (State Test Value minus Margin of Error Percent)
State Upper Limit: 59,215,415 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 70,148,165 (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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