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2006 Confidence Interval Detail
024/Brooks
024-901/Brooks County ISD

Category Summary

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

Stratum
Variance
A 12,000,160 0.8541 14,050,064 7 784 .005139089
A 11,979,858 0.8706 13,760,462 7 421 .023699398
A 11,997,334 0.8346 14,374,951 7 238 .012389234
A 11,946,623 0.8889 13,439,783 7 137 .005814149
D3 22,520,330 0.8527 26,410,613 10 3,631 .012409773
G1 200,063,726 1.1449 174,743,406 11 130 .039967494
G1 199,054,868 1.0913 182,401,602 9 44 .011272897
G1 205,652,376 1.1202 183,585,410 8 21 .068128013
G1 186,468,929 0.9581 194,623,660 5 10 .006154357
Random Totals: 861,684,204   817,389,951 71 5,416  
Catg J Exception Values: 27,887,906   27,894,214      
Catg D1 Exception Values: 39,937,610   43,195,658      
Total Test Values (4): 929,509,720   888,479,823      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 44,423,991

Confidence Interval Values (5)

State Lower Limit: 844,055,832 (State Test Value minus Margin of Error Percent)
Local Test Value: 929,509,720 (Within Confidence Interval)
State Upper Limit: 932,903,814 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 1,086,062,796 (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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