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2006 Confidence Interval Detail
034/Cass
034-902/Avinger ISD

Category Summary

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

Stratum
Variance
A 5,860,406 0.8726 6,716,028 15 154 .042995584
A 5,888,293 0.9273 6,349,933 16 72 .053586089
A 5,828,012 0.8388 6,948,035 15 42 .047028506
A 5,801,995 0.9030 6,425,244 16 22 .008124630
D3 13,510,110 1.0805 12,503,572 23 1,042 .025747360
Random Totals: 36,888,816   38,942,812 85 1,332  
Catg J Exception Values: 1,980,126   1,957,287      
Catg D1 Exception Values: 4,371,110   5,491,181      
Catg G1 Exception Values: 1,672,030   1,618,577      
Total Test Values (4): 44,912,082   48,009,857      

Margin of Error

Margin of Error Percent: 5.0000003
Margin of Error Value: 2,400,493

Confidence Interval Values (5)

Local Test Value: 44,912,082 (Outside Confidence Interval)
State Lower Limit: 45,609,364 (State Test Value minus Margin of Error Percent)
State Upper Limit: 50,410,350 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 39,233,292 (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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