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2011 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 74,448,986 0.9965 74,710,473 24 1,226 .014355057
A 80,088,818 1.0289 77,839,263 16 879 .008454782
A 77,138,793 0.9712 79,426,270 22 589 .003639502
A 79,367,483 1.0099 78,589,447 17 398 .002308516
D3 36,679,433 0.9277 39,538,033 15 1,636 .006821075
G1 16,627,040 0.9655 17,221,170 9 65 .122700066
G1 16,202,150 1.0351 15,652,739 7 19 .012760332
G1 17,628,214 0.9651 18,265,686 4 6 .036626797
Random Totals: 398,180,917   401,243,081 114 4,818  
Catg D1 Exception Values: 10,125,252   9,985,597      
Catg G1 Exception Values: 35,380,654   34,037,547      
Total Test Values (4): 443,686,823   445,266,225      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 22,263,311

Confidence Interval Values (5)

State Lower Limit: 423,002,914 (State Test Value minus Margin of Error Percent)
Local Test Value: 443,686,823 (Within Confidence Interval)
State Upper Limit: 467,529,536 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 549,051,565 (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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