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2008 Confidence Interval Detail
081/Freestone
145-901/Buffalo ISD

Category Summary

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

Stratum
Variance
D3 19,895,650 0.9535 20,865,915 12 1,192 .098180493
G1 15,875,461 1.0952 14,495,490 5 17 .010031919
G1 15,117,920 1.0817 13,976,075 5 6 .001050244
Random Totals: 50,889,031   49,337,480 22 1,215  
Catg J Exception Values: 853,380   961,460      
Catg D1 Exception Values: 2,487,030   2,026,971      
Catg G1 Exception Values: 29,329,960   27,243,404      
Total Test Values (4): 83,559,401   79,569,315      

Margin of Error

Margin of Error Percent: 5.1411678
Margin of Error Value: 4,090,792

Confidence Interval Values (5)

State Lower Limit: 75,478,523 (State Test Value minus Margin of Error Percent)
Local Test Value: 83,559,401 (Within Confidence Interval)
State Upper Limit: 83,660,107 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 162,825,393 (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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