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2011 Confidence Interval Detail
241/Wharton
241-901/Boling ISD

Category Summary

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

Stratum
Variance
A 22,605,923 0.8773 25,767,609 10 494 .019927461
A 22,338,569 1.0773 20,735,699 10 249 .048431506
A 23,748,459 1.0080 23,559,979 10 174 .005298540
A 21,095,994 0.9440 22,347,451 10 100 .004261376
D3 40,941,792 1.0289 39,791,809 16 1,986 .012038522
Random Totals: 130,730,737   132,202,547 56 3,003  
Catg J Exception Values: 6,901,180   6,622,384      
Catg D1 Exception Values: 11,279,579   11,666,464      
Total Test Values (4): 148,911,496   150,491,395      

Margin of Error

Margin of Error Percent: 5.0000002
Margin of Error Value: 7,524,570

Confidence Interval Values (5)

State Lower Limit: 142,966,825 (State Test Value minus Margin of Error Percent)
Local Test Value: 148,911,496 (Within Confidence Interval)
State Upper Limit: 158,015,965 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 184,481,426 (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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