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2011 Confidence Interval Detail
080/Franklin
250-907/Winnsboro ISD

Category Summary

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

Stratum
Variance
A 6,938,470 1.0634 6,524,798 10 172 .024125848
A 6,649,710 1.1541 5,761,814 10 99 .043888794
A 6,738,860 1.0022 6,724,067 10 64 .007359611
A 7,780,710 0.9813 7,928,982 10 19 .034915734
D3 18,740,400 1.1705 16,010,594 15 827 .090902521
F1 3,582,230 0.8481 4,223,830 7 30 .150992967
Random Totals: 50,430,380   47,174,085 62 1,211  
Catg J Exception Values: 559,820   608,632      
Catg D1 Exception Values: 1,572,260   1,105,625      
Catg F1 Exception Values: 988,960   950,976      
Catg G1 Exception Values: 5,452,369   5,298,790      
Total Test Values (4): 59,003,789   55,138,108      

Margin of Error

Margin of Error Percent: 5.3557333
Margin of Error Value: 2,953,050

Confidence Interval Values (5)

State Lower Limit: 52,185,058 (State Test Value minus Margin of Error Percent)
State Upper Limit: 58,091,158 (State Test Value plus Margin of Error Percent)
Local Test Value: 59,003,789 (Outside Confidence Interval)
Value Assigned (6): 56,871,831 (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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