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2008 Confidence Interval Detail
059/Deaf Smith
059-901/Hereford ISD

Category Summary

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

Stratum
Variance
A 66,207,863 1.0507 63,013,099 20 1,689 .017310038
A 74,676,737 1.0138 73,660,226 23 1,042 .003212439
A 77,099,600 1.0629 72,537,021 18 737 .010391205
A 89,183,125 1.0012 89,076,234 9 496 .001857750
D3 56,905,652 1.0407 54,680,169 13 2,591 .066561591
F1 23,478,500 0.9890 23,739,636 7 263 .014997630
F1 23,345,700 1.1526 20,254,815 7 92 .026686857
F1 22,657,500 0.7984 28,378,632 6 32 .216592089
F1 13,586,700 1.0973 12,381,937 4 4 .048818078
L1 26,128,000 0.9689 26,966,663 7 308 .005495722
L1 25,427,500 0.9937 25,588,709 8 57 .000094823
L1 25,697,400 1.0023 25,638,432 5 23 .000026761
L1 41,902,000 0.9894 42,350,920 4 10 .000973702
Random Totals: 566,296,277   558,266,493 131 7,344  
Catg J Exception Values: 30,511,790   31,359,460      
Catg D1 Exception Values: 31,681,103   30,533,452      
Total Test Values (4): 628,489,170   620,159,405      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 31,007,970

Confidence Interval Values (5)

State Lower Limit: 589,151,435 (State Test Value minus Margin of Error Percent)
Local Test Value: 628,489,170 (Within Confidence Interval)
State Upper Limit: 651,167,375 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 953,347,811 (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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