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2007 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 6,706,179 0.9934 6,750,734 15 158 .022705799
A 6,606,248 0.9251 7,141,118 14 69 .014770275
A 6,838,958 0.8561 7,988,504 12 39 .027507019
A 6,467,420 1.0782 5,998,349 9 20 .003818829
D3 15,875,240 0.9262 17,140,186 21 1,113 .092041546
Random Totals: 42,494,045   45,018,891 71 1,399  
Catg J Exception Values: 2,278,690   2,196,740      
Catg D1 Exception Values: 4,151,420   4,384,171      
Total Test Values (4): 48,924,155   51,599,802      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 2,579,990

Confidence Interval Values (5)

Local Test Value: 48,924,155 (Outside Confidence Interval)
State Lower Limit: 49,019,812 (State Test Value minus Margin of Error Percent)
State Upper Limit: 54,179,792 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 48,163,524 (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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