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2006 Confidence Interval Detail
249/Wise
249-902/Boyd ISD

Category Summary

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

Stratum
Variance
A 17,075,590 0.9277 18,406,371 9 320 .012649586
A 17,045,050 1.0151 16,791,498 8 191 .036632462
A 17,022,797 0.9664 17,614,649 10 139 .003278963
A 16,757,366 1.0277 16,305,698 10 90 .012198490
D3 96,729,560 0.9858 98,122,905 23 2,636 .018276632
G1 89,979,785 1.1112 80,975,328 8 162 .012313242
G1 90,881,958 1.1158 81,450,043 7 79 .007540903
G1 90,444,369 1.1432 79,115,088 7 55 .006561552
G1 87,820,573 1.0498 83,654,575 6 29 .012729905
Random Totals: 523,757,048   492,436,155 88 3,701  
Catg D1 Exception Values: 2,393,050   2,293,573      
Total Test Values (4): 526,150,098   494,729,728      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 24,736,486

Confidence Interval Values (5)

State Lower Limit: 469,993,242 (State Test Value minus Margin of Error Percent)
State Upper Limit: 519,466,214 (State Test Value plus Margin of Error Percent)
Local Test Value: 526,150,098 (Outside Confidence Interval)
Value Assigned (6): 585,838,747 (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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