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2011 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 6,537,280 0.8581 7,618,320 10 135 .027899138
A 7,519,950 0.8762 8,582,458 10 77 .017688907
A 7,250,780 0.8064 8,991,543 11 41 .025963202
A 7,595,840 0.9260 8,202,851 11 26 .011928039
D3 16,237,620 1.0362 15,670,353 15 1,020 .089507764
Random Totals: 45,141,470   49,065,525 57 1,299  
Catg J Exception Values: 40,425   39,260      
Catg D1 Exception Values: 3,935,831   3,841,793      
Total Test Values (4): 49,117,726   52,946,578      

Margin of Error

Margin of Error Percent: 5.2046555
Margin of Error Value: 2,755,687

Confidence Interval Values (5)

Local Test Value: 49,117,726 (Outside Confidence Interval)
State Lower Limit: 50,190,891 (State Test Value minus Margin of Error Percent)
State Upper Limit: 55,702,265 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 47,058,420 (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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