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2009 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 58,706,550 0.9491 61,854,968 15 990 .026364893
A 65,813,160 0.9743 67,549,174 16 573 .013459763
A 61,230,610 0.9792 62,531,260 8 290 .001899426
A 64,230,840 0.8992 71,431,094 10 114 .002448128
D3 164,241,150 0.9053 181,421,794 16 7,021 .009764798
G1 192,036,919 1.0037 191,329,002 9 318 .004258081
G1 191,190,247 1.0156 188,253,493 7 157 .002001308
G1 191,779,982 1.0049 190,844,842 8 105 .001492620
G1 190,964,617 0.9991 191,136,640 6 45 .000649362
Random Totals: 1,180,194,075   1,206,352,267 95 9,613  
Catg J Exception Values: 51,912,730   52,873,322      
Catg D1 Exception Values: 17,892,810   14,389,653      
Total Test Values (4): 1,249,999,615   1,273,615,242      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 63,680,762

Confidence Interval Values (5)

State Lower Limit: 1,209,934,480 (State Test Value minus Margin of Error Percent)
Local Test Value: 1,249,999,615 (Within Confidence Interval)
State Upper Limit: 1,337,296,004 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 2,412,528,794 (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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