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2008 Confidence Interval Detail
054/Crosby
054-901/Crosbyton CISD

Category Summary

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

Stratum
Variance
A 6,897,010 0.9553 7,219,732 15 332 .037766346
A 7,515,940 0.9810 7,661,509 15 210 .062060472
A 9,150,490 0.9730 9,404,409 17 155 .018892536
A 12,589,660 1.0615 11,860,254 18 104 .024282360
D3 7,594,170 1.0055 7,552,631 20 1,629 .069606312
F1 973,720 0.9170 1,061,854 6 49 .007033225
F1 767,000 0.8771 874,473 5 16 .035498863
F1 1,163,430 0.9117 1,276,111 4 13 .012719610
F1 1,171,760 1.0407 1,125,934 3 6 .003716884
Random Totals: 47,823,180   48,036,907 103 2,514  
Catg D1 Exception Values: 21,114,700   21,021,462      
Total Test Values (4): 68,937,880   69,058,369      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 3,452,918

Confidence Interval Values (5)

State Lower Limit: 65,605,451 (State Test Value minus Margin of Error Percent)
Local Test Value: 68,937,880 (Within Confidence Interval)
State Upper Limit: 72,511,287 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 71,078,542 (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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