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2008 Confidence Interval Detail
109/Hill
109-908/Malone ISD

Category Summary

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

Stratum
Variance
A 1,226,670 0.7845 1,563,633 8 47 .033954507
A 1,252,680 1.0267 1,220,103 7 28 .029122232
A 1,527,240 0.9305 1,641,311 8 24 .006755114
A 1,556,760 0.9768 1,593,735 5 16 .005709309
D3 8,819,030 0.9915 8,894,634 21 564 .035149033
Random Totals: 14,382,380   14,913,416 49 679  
Catg J Exception Values: 15,420,120   19,345,950      
Catg D1 Exception Values: 3,768,484   4,115,633      
Total Test Values (4): 33,570,984   38,374,999      

Margin of Error

Margin of Error Percent: 5.0000001
Margin of Error Value: 1,918,750

Confidence Interval Values (5)

Local Test Value: 33,570,984 (Outside Confidence Interval)
State Lower Limit: 36,456,249 (State Test Value minus Margin of Error Percent)
State Upper Limit: 40,293,749 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 33,802,002 (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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