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2009 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 583,845,044 0.9515 613,604,881 68 9,708 .029048354
A 610,937,364 0.9958 613,514,123 70 5,892 .007495832
A 622,080,814 0.9890 628,999,812 75 4,078 .005561712
A 611,346,560 0.9872 619,273,258 74 2,119 .008516976
F1 194,160,841 0.9875 196,618,573 19 993 .039873171
F1 194,473,199 0.9228 210,742,522 7 214 .011209660
F1 176,174,129 1.0235 172,129,095 6 67 .002037979
F1 176,589,534 1.0046 175,780,942 5 19 .026339973
L1 129,567,705 1.1280 114,864,987 7 1,073 .099417111
L1 142,178,273 1.0522 135,124,761 7 257 .006436669
L1 120,249,599 1.0082 119,271,572 9 56 .005561371
L1 59,618,477 1.0421 57,209,939 4 9 .000227071
Random Totals: 3,621,221,539   3,657,134,465 351 24,485  
Catg D1 Exception Values: 1,868,445   1,728,529      
Total Test Values (4): 3,623,089,984   3,658,862,994      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 182,943,150

Confidence Interval Values (5)

State Lower Limit: 3,475,919,844 (State Test Value minus Margin of Error Percent)
Local Test Value: 3,623,089,984 (Within Confidence Interval)
State Upper Limit: 3,841,806,144 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 3,862,739,426 (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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