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2006 Confidence Interval Detail
095/Hale
095-904/Petersburg ISD

Category Summary

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

Stratum
Variance
A 3,117,484 0.8678 3,592,399 10 170 .072741251
A 3,096,283 0.9689 3,195,668 10 98 .009676536
A 3,159,707 0.9512 3,321,811 9 59 .011313809
A 3,041,887 0.9648 3,152,868 8 29 .004426029
D3 7,212,955 0.9394 7,678,257 18 964 .053069452
Random Totals: 19,628,316   20,941,003 55 1,320  
Catg J Exception Values: 2,903,271   2,427,517      
Catg D1 Exception Values: 16,156,690   12,563,078      
Total Test Values (4): 38,688,277   35,931,598      

Margin of Error

Margin of Error Percent: 5.0000003
Margin of Error Value: 1,796,580

Confidence Interval Values (5)

State Lower Limit: 34,135,018 (State Test Value minus Margin of Error Percent)
State Upper Limit: 37,728,178 (State Test Value plus Margin of Error Percent)
Local Test Value: 38,688,277 (Outside Confidence Interval)
Value Assigned (6): 44,584,061 (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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