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2012 Confidence Interval Detail
078/Foard
078-901/Crowell ISD

Category Summary

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

Stratum
Variance
A 1,794,010 0.8197 2,188,618 10 130 .057668350
A 3,575,120 0.9697 3,686,831 9 152 .006449114
A 4,087,040 0.9282 4,403,189 12 108 .011943502
A 4,528,880 0.9580 4,727,432 11 59 .003410009
D3 12,622,430 0.8957 14,092,252 16 3,485 .134490164
G1 3,866,290 0.9528 4,057,819 5 9 .050242926
G1 3,411,360 1.0480 3,255,115 3 4 .026908369
Random Totals: 33,885,130   36,411,256 66 3,947  
Catg J Exception Values: 377,650   381,797      
Catg D1 Exception Values: 31,798,400   33,145,814      
Catg G1 Exception Values: 13,489,930   13,342,131      
Total Test Values (4): 79,551,110   83,280,998      

Margin of Error

Margin of Error Percent: 5.0000001
Margin of Error Value: 4,164,050

Confidence Interval Values (5)

State Lower Limit: 79,116,948 (State Test Value minus Margin of Error Percent)
Local Test Value: 79,551,110 (Within Confidence Interval)
State Upper Limit: 87,445,048 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 112,944,869 (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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