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2008 Confidence Interval Detail
081/Freestone
081-902/Fairfield ISD

Category Summary

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

Stratum
Variance
A 58,559,830 0.8588 68,187,972 12 1,008 .014921035
A 70,754,080 0.9738 72,657,712 21 593 .010648437
A 55,058,720 0.9620 57,233,597 11 226 .013470843
A 51,052,110 0.9991 51,098,098 8 84 .006947715
D3 157,661,260 0.9498 165,994,167 24 7,004 .040229017
G1 194,184,256 1.0010 193,990,266 8 309 .001441971
G1 193,535,498 0.9938 194,742,904 8 150 .003883482
G1 194,653,212 0.9928 196,064,879 7 102 .001858051
G1 191,512,361 1.0129 189,073,315 6 63 .001529864
Random Totals: 1,166,971,327   1,189,042,910 105 9,539  
Catg J Exception Values: 57,424,080   57,134,946      
Catg D1 Exception Values: 17,641,660   14,410,263      
Total Test Values (4): 1,242,037,067   1,260,588,119      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 63,029,406

Confidence Interval Values (5)

State Lower Limit: 1,197,558,713 (State Test Value minus Margin of Error Percent)
Local Test Value: 1,242,037,067 (Within Confidence Interval)
State Upper Limit: 1,323,617,525 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 2,394,490,621 (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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