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2009 Confidence Interval Detail
188/Potter
188-904/Bushland ISD

Category Summary

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

Stratum
Variance
A 65,482,091 0.9426 69,469,649 18 533 .072263284
A 68,558,449 0.9910 69,181,079 22 350 .010847865
A 71,361,044 0.9977 71,525,553 19 289 .004774091
A 77,092,143 0.9882 78,012,693 11 193 .016117555
F1 39,834,955 0.9288 42,888,625 6 84 .109714105
F1 39,098,986 0.9543 40,971,378 5 21 .008354175
F1 49,473,444 0.9906 49,942,907 4 12 .009593253
F1 39,357,050 1.0771 36,539,829 3 6 .000979566
G1 24,996,890 0.9805 25,494,023 7 147 .030813936
G1 25,072,760 1.0553 23,758,893 6 65 .011643436
G1 24,361,959 0.9715 25,076,643 7 42 .011948595
G1 24,783,943 1.0079 24,589,684 5 20 .002448307
L1 28,100,991 0.9532 29,480,687 8 117 .006568782
L1 36,280,732 0.9664 37,542,148 5 25 .004369231
L1 27,742,434 1.0008 27,720,258 3 4 .000003095
Random Totals: 641,597,871   652,194,049 129 1,908  
Catg J Exception Values: 36,776,772   33,980,385      
Catg D1 Exception Values: 12,930,653   15,504,511      
Catg L1 Exception Values: 28,707,122   27,069,022      
Total Test Values (4): 720,012,418   728,747,967      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 36,437,398

Confidence Interval Values (5)

State Lower Limit: 692,310,569 (State Test Value minus Margin of Error Percent)
Local Test Value: 720,012,418 (Within Confidence Interval)
State Upper Limit: 765,185,365 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 821,149,682 (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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