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2008 Confidence Interval Detail
106/Hemphill
242-906/Fort Elliott CISD

Category Summary

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

Stratum
Variance
D3 9,710,320 0.9354 10,380,928 10 625 .005962687
G1 139,494,590 1.0001 139,480,642 5 251 .007600180
G1 139,077,430 1.0135 137,224,894 6 135 .004634271
G1 276,195,509 1.0409 265,342,981 9 101 .006733250
Random Totals: 564,477,849   552,429,445 30 1,112  
Catg J Exception Values: 912,220   870,498      
Catg D1 Exception Values: 4,327,550   5,550,226      
Total Test Values (4): 569,717,619   558,850,169      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 27,942,508

Confidence Interval Values (5)

State Lower Limit: 530,907,661 (State Test Value minus Margin of Error Percent)
Local Test Value: 569,717,619 (Within Confidence Interval)
State Upper Limit: 586,792,677 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 662,472,998 (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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