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2011 Confidence Interval Detail
006/Armstrong
006-902/Claude ISD

Category Summary

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

Stratum
Variance
A 7,990,090 0.8361 9,556,381 17 234 .098834987
A 8,127,690 0.8168 9,950,649 14 122 .071650403
A 7,862,230 0.9106 8,634,120 12 80 .030474613
A 7,939,540 1.0222 7,767,110 13 52 .024748078
D3 16,889,430 0.8808 19,175,102 23 2,790 .044714800
Random Totals: 48,808,980   55,083,362 79 3,278  
Catg J Exception Values: 812,662   815,792      
Catg D1 Exception Values: 34,525,600   41,404,396      
Total Test Values (4): 84,147,242   97,303,550      

Margin of Error

Margin of Error Percent: 5.0000005
Margin of Error Value: 4,865,178

Confidence Interval Values (5)

Local Test Value: 84,147,242 (Outside Confidence Interval)
State Lower Limit: 92,438,372 (State Test Value minus Margin of Error Percent)
State Upper Limit: 102,168,728 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 114,500,516 (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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