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2006 Confidence Interval Detail
208/Scurry
208-903/Ira ISD

Category Summary

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

Stratum
Variance
D3 6,573,743 1.0228 6,427,203 11 918 .007848679
G1 29,518,299 1.0924 27,021,511 7 94 .026195335
G1 31,063,919 0.9990 31,095,014 6 28 .045755611
G1 27,665,875 0.9904 27,934,042 5 11 .012589514
G1 29,301,875 0.9876 29,669,780 3 5 .000933352
Random Totals: 124,123,711   122,147,550 32 1,056  
Catg J Exception Values: 3,642,563   4,165,803      
Catg D1 Exception Values: 6,432,255   6,845,727      
Total Test Values (4): 134,198,529   133,159,080      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 6,657,954

Confidence Interval Values (5)

State Lower Limit: 126,501,126 (State Test Value minus Margin of Error Percent)
Local Test Value: 134,198,529 (Within Confidence Interval)
State Upper Limit: 139,817,034 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 153,181,848 (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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