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2006 Confidence Interval Detail
013/Bee
013-903/Pettus ISD

Category Summary

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

Stratum
Variance
A 4,067,669 0.9915 4,102,541 8 180 .029468454
A 4,074,902 1.0312 3,951,612 6 90 .009218662
A 4,057,997 0.9258 4,383,233 6 67 .004137119
A 3,998,275 1.0018 3,991,091 6 38 .069957435
D3 16,722,370 0.9533 17,541,561 10 1,581 .030576095
G1 17,060,721 1.0454 16,319,802 7 36 .004177989
G1 16,381,670 0.9817 16,687,043 5 9 .006782919
G1 19,397,067 1.0704 18,121,326 2 3 .005326777
Random Totals: 85,760,671   85,098,209 50 2,004  
Catg J Exception Values: 6,511,182   7,484,162      
Catg D1 Exception Values: 8,816,680   6,921,512      
Catg G1 Exception Values: 32,054,500   27,048,256      
Total Test Values (4): 133,143,033   126,552,139      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 6,327,607

Confidence Interval Values (5)

State Lower Limit: 120,224,532 (State Test Value minus Margin of Error Percent)
State Upper Limit: 132,879,746 (State Test Value plus Margin of Error Percent)
Local Test Value: 133,143,033 (Outside Confidence Interval)
Value Assigned (6): 146,233,491 (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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