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2011 Confidence Interval Detail
098/Hansford
098-904/Spearman ISD

Category Summary

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

Stratum
Variance
A 14,751,041 0.9621 15,332,129 13 492 .031456598
A 13,372,717 0.9673 13,824,788 11 249 .012106577
A 13,367,759 0.9814 13,621,112 11 154 .018678057
A 14,133,834 0.9694 14,579,981 10 102 .007028022
G1 27,954,130 0.9805 28,510,076 9 153 .007637298
G1 27,713,590 1.0052 27,570,225 9 68 .013395044
G1 27,560,560 1.0209 26,996,337 8 39 .020965510
G1 27,579,430 1.0064 27,404,044 6 15 .025305851
Random Totals: 166,433,061   167,838,692 77 1,272  
Catg J Exception Values: 2,584,108   2,626,598      
Catg D1 Exception Values: 25,450,782   29,858,038      
Total Test Values (4): 194,467,951   200,323,328      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 10,016,166

Confidence Interval Values (5)

State Lower Limit: 190,307,162 (State Test Value minus Margin of Error Percent)
Local Test Value: 194,467,951 (Within Confidence Interval)
State Upper Limit: 210,339,494 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 276,296,336 (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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