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2006 Confidence Interval Detail
098/Hansford
098-901/Gruver ISD

Category Summary

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

Stratum
Variance
A 6,006,874 1.0649 5,640,787 8 194 .075130052
A 6,046,443 0.9489 6,372,055 7 102 .008352117
A 6,031,831 0.9983 6,042,103 6 72 .005779848
A 5,938,357 0.8993 6,603,310 6 46 .033889957
D3 9,104,364 0.9458 9,626,099 19 1,697 .005450624
G1 51,196,346 0.9939 51,510,560 10 178 .222971894
G1 50,391,651 1.2284 41,022,184 10 88 .033424869
G1 51,497,523 1.0708 48,092,569 9 54 .149440034
G1 50,071,734 1.0782 46,440,117 8 26 .036743064
Random Totals: 236,285,123   221,349,784 83 2,457  
Catg J Exception Values: 6,862,804   6,515,627      
Catg D1 Exception Values: 29,089,711   27,955,299      
Total Test Values (4): 272,237,638   255,820,710      

Margin of Error

Margin of Error Percent: 7.7899807
Margin of Error Value: 19,928,384

Confidence Interval Values (5)

State Lower Limit: 235,892,326 (State Test Value minus Margin of Error Percent)
Local Test Value: 272,237,638 (Within Confidence Interval)
State Upper Limit: 275,749,094 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 364,154,535 (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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