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2006 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 12,101,152 0.9964 12,144,874 7 273 .044377096
A 12,146,315 0.9401 12,920,237 9 157 .023809948
A 12,124,444 0.9309 13,024,432 8 101 .009027924
A 11,996,974 0.9998 11,999,374 6 66 .007743272
D3 55,352,770 1.0123 54,680,203 21 2,246 .059247389
Random Totals: 103,721,655   104,769,120 51 2,843  
Catg J Exception Values: 7,436,330   7,730,123      
Catg D1 Exception Values: 8,404,490   7,374,222      
Total Test Values (4): 119,562,475   119,873,465      

Margin of Error

Margin of Error Percent: 5.3099099
Margin of Error Value: 6,365,173

Confidence Interval Values (5)

State Lower Limit: 113,508,292 (State Test Value minus Margin of Error Percent)
Local Test Value: 119,562,475 (Within Confidence Interval)
State Upper Limit: 126,238,638 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 151,329,819 (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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