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2007 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 67,730,646 0.9391 72,122,933 32 1,741 .029681216
A 67,705,111 0.9903 68,368,283 42 965 .008229148
A 67,637,991 0.9879 68,466,435 34 656 .006841959
A 67,667,488 1.0169 66,542,913 32 381 .005555637
D3 56,422,743 1.0381 54,351,934 28 2,924 .009199784
F1 23,931,556 1.0241 23,368,378 20 274 .026266842
F1 24,085,544 1.0379 23,206,035 11 95 .015757993
F1 24,214,514 0.9919 24,412,253 8 28 .005492596
F1 23,184,922 1.0404 22,284,623 4 7 .026571102
L1 23,678,193 0.9699 24,413,025 12 266 .005231151
L1 23,721,140 0.9994 23,735,381 10 57 .003606598
L1 24,301,585 1.0756 22,593,515 8 23 .028115363
Random Totals: 494,281,433   493,865,708 241 7,417  
Catg J Exception Values: 30,162,821   31,632,240      
Catg D1 Exception Values: 38,584,072   34,320,763      
Catg L1 Exception Values: 21,425,170   20,843,357      
Total Test Values (4): 584,453,496   580,662,068      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 29,033,103

Confidence Interval Values (5)

State Lower Limit: 551,628,965 (State Test Value minus Margin of Error Percent)
Local Test Value: 584,453,496 (Within Confidence Interval)
State Upper Limit: 609,695,171 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 730,880,701 (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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