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2009 Confidence Interval Detail
049/Cooke
049-903/Valley View ISD

Category Summary

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

Stratum
Variance
A 14,766,312 1.0445 14,137,206 10 263 .020245060
A 17,011,837 0.9589 17,740,992 11 178 .011860596
A 16,500,000 1.0053 16,413,011 12 110 .025683208
A 16,779,015 0.9295 18,051,657 7 53 .016048183
D3 86,838,703 1.0016 86,699,983 22 2,103 .043692838
Random Totals: 151,895,867   153,042,849 62 2,707  
Catg J Exception Values: 8,099,570   8,369,996      
Catg D1 Exception Values: 4,606,477   4,637,720      
Total Test Values (4): 164,601,914   166,050,565      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 8,302,528

Confidence Interval Values (5)

State Lower Limit: 157,748,037 (State Test Value minus Margin of Error Percent)
Local Test Value: 164,601,914 (Within Confidence Interval)
State Upper Limit: 174,353,093 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 177,816,903 (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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