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2006 Confidence Interval Detail
243/Wichita
243-903/Iowa Park CISD

Category Summary

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

Stratum
Variance
A 64,148,904 0.9768 65,672,506 38 1,244 .017961332
A 64,125,379 0.9898 64,786,198 44 810 .005304498
A 64,124,855 0.9633 66,567,897 44 578 .004192768
A 64,007,025 0.9674 66,163,970 33 360 .016146563
D3 27,093,140 0.9525 28,444,241 11 1,552 .016050738
G1 10,576,230 1.0542 10,032,470 6 64 .032375357
G1 10,481,000 1.1256 9,311,478 6 26 .027378455
G1 12,350,392 1.0710 11,531,645 4 9 .003708165
L1 5,331,396 0.9919 5,374,933 7 156 .005127240
L1 5,223,557 0.9783 5,339,422 6 39 .003394414
L1 5,681,600 0.9865 5,759,351 7 17 .001891316
L1 4,788,450 1.0152 4,716,755 3 4 .004202674
Random Totals: 337,931,928   343,700,866 209 4,859  
Catg D1 Exception Values: 11,960,418   10,722,768      
Catg G1 Exception Values: 22,238,930   21,587,503      
Total Test Values (4): 372,131,276   376,011,137      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 18,800,557

Confidence Interval Values (5)

State Lower Limit: 357,210,580 (State Test Value minus Margin of Error Percent)
Local Test Value: 372,131,276 (Within Confidence Interval)
State Upper Limit: 394,811,694 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 443,573,113 (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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