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2010 Confidence Interval Detail
018/Bosque
018-904/Valley Mills ISD

Category Summary

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

Stratum
Variance
A 10,845,340 0.9099 11,919,266 14 220 .036321234
A 11,619,970 0.9905 11,731,418 10 151 .029237622
A 10,420,490 1.0159 10,257,397 10 91 .000428741
A 11,579,940 1.0064 11,506,300 10 67 .003840005
D3 47,699,180 0.9818 48,583,398 31 1,601 .009589544
Random Totals: 92,164,920   93,997,779 75 2,130  
Catg J Exception Values: 5,143,659   5,385,486      
Catg D1 Exception Values: 6,335,540   5,756,425      
Total Test Values (4): 103,644,119   105,139,690      

Margin of Error

Margin of Error Percent: 5.0000005
Margin of Error Value: 5,256,985

Confidence Interval Values (5)

State Lower Limit: 99,882,705 (State Test Value minus Margin of Error Percent)
Local Test Value: 103,644,119 (Within Confidence Interval)
State Upper Limit: 110,396,675 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 140,214,855 (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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