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2008 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 7,004,210 1.0062 6,961,051 16 161 .025588470
A 6,798,570 0.9619 7,067,855 15 81 .013371540
A 7,532,450 0.9616 7,833,247 15 48 .022441287
A 9,066,430 1.1060 8,197,495 13 32 .012926466
C 919,660 0.8892 1,034,256 16 100 .152973553
C 1,641,130 0.8621 1,903,642 16 47 .023872558
C 457,440 1.0177 449,484 8 9 .173675594
D3 17,027,070 1.0239 16,629,622 22 1,011 .038249813
Random Totals: 50,446,960   50,076,652 121 1,489  
Catg J Exception Values: 1,994,328   2,004,942      
Catg D1 Exception Values: 3,436,167   4,168,977      
Catg C Exception Values: 38,880   97,560      
Total Test Values (4): 55,916,335   56,348,131      

Margin of Error

Margin of Error Percent: 5.0000008
Margin of Error Value: 2,817,407

Confidence Interval Values (5)

State Lower Limit: 53,530,724 (State Test Value minus Margin of Error Percent)
Local Test Value: 55,916,335 (Within Confidence Interval)
State Upper Limit: 59,165,538 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 49,677,432 (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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