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2010 Confidence Interval Detail
018/Bosque
018-905/Walnut Springs ISD

Category Summary

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

Stratum
Variance
A 3,546,150 0.9829 3,607,844 10 114 .003672294
A 3,707,500 0.9696 3,823,742 11 65 .003982109
A 3,485,540 0.9713 3,588,531 10 37 .004978544
A 3,721,170 0.9932 3,746,647 7 17 .002425169
D3 41,601,840 1.0057 41,366,053 29 731 .011703755
Random Totals: 56,062,200   56,132,817 67 964  
Catg J Exception Values: 3,534,194   3,399,398      
Catg D1 Exception Values: 4,750,730   4,090,584      
Total Test Values (4): 64,347,124   63,622,799      

Margin of Error

Margin of Error Percent: 5.0000001
Margin of Error Value: 3,181,140

Confidence Interval Values (5)

State Lower Limit: 60,441,659 (State Test Value minus Margin of Error Percent)
Local Test Value: 64,347,124 (Within Confidence Interval)
State Upper Limit: 66,803,939 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 73,238,903 (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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