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2007 Confidence Interval Detail
109/Hill
109-902/Bynum ISD

Category Summary

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

Stratum
Variance
A 2,507,830 0.9106 2,754,041 6 69 .071150835
A 2,478,380 1.0152 2,441,273 8 42 .000712523
A 2,441,581 1.0163 2,402,422 7 28 .021676572
A 2,465,211 1.0269 2,400,634 8 16 .002510136
D3 15,473,582 1.0180 15,199,982 21 1,173 .027760430
Random Totals: 25,366,584   25,198,352 50 1,328  
Catg J Exception Values: 4,155,186   4,062,611      
Catg D1 Exception Values: 6,971,433   6,140,397      
Total Test Values (4): 36,493,203   35,401,360      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 1,770,068

Confidence Interval Values (5)

State Lower Limit: 33,631,292 (State Test Value minus Margin of Error Percent)
Local Test Value: 36,493,203 (Within Confidence Interval)
State Upper Limit: 37,171,428 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 35,730,475 (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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