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2010 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 16,409,704 1.0505 15,620,851 14 290 .039998810
A 16,114,468 0.9785 16,468,542 14 164 .022967304
A 16,080,880 0.9509 16,911,221 14 105 .005655887
A 16,353,661 0.9165 17,843,602 12 51 .015192582
D3 85,223,732 1.0811 78,830,573 20 2,101 .042597611
F1 2,863,421 1.0169 2,815,833 11 25 .012306671
F1 3,128,478 1.0371 3,016,563 8 10 .012489603
Random Totals: 156,174,344   151,507,185 93 2,746  
Catg J Exception Values: 8,231,875   8,425,667      
Catg D1 Exception Values: 4,584,703   4,372,673      
Catg F1 Exception Values: 5,940,398   5,962,238      
Total Test Values (4): 174,931,320   170,267,763      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 8,513,388

Confidence Interval Values (5)

State Lower Limit: 161,754,375 (State Test Value minus Margin of Error Percent)
Local Test Value: 174,931,320 (Within Confidence Interval)
State Upper Limit: 178,781,151 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 220,921,924 (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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