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2011 Confidence Interval Detail
243/Wichita
243-905/Wichita Falls ISD

Category Summary

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

Stratum
Variance
A 605,038,848 1.0014 604,192,978 85 9,882 .017503412
A 603,044,389 0.9992 603,527,211 85 5,710 .007827403
A 615,974,304 0.9800 628,545,208 86 4,021 .007676139
A 640,644,438 0.9614 666,366,172 88 2,230 .006437205
F1 185,912,069 0.9698 191,701,453 10 962 .005931891
F1 193,520,953 0.9814 197,188,662 11 235 .002107387
F1 183,744,991 0.9873 186,108,570 9 77 .000745225
F1 188,643,108 0.9765 193,182,906 7 22 .000551946
L1 105,167,018 0.9957 105,621,189 10 1,090 .004809367
L1 110,201,037 1.0150 108,572,450 10 275 .001637634
L1 111,493,747 1.0244 108,838,097 10 90 .002873498
L1 99,147,793 1.0625 93,315,570 10 24 .005999897
Random Totals: 3,642,532,695   3,687,160,466 421 24,618  
Catg D1 Exception Values: 1,822,577   1,809,704      
Total Test Values (4): 3,644,355,272   3,688,970,170      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 184,448,509

Confidence Interval Values (5)

State Lower Limit: 3,504,521,661 (State Test Value minus Margin of Error Percent)
Local Test Value: 3,644,355,272 (Within Confidence Interval)
State Upper Limit: 3,873,418,679 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 3,869,013,542 (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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