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2006 Confidence Interval Detail
018/Bosque
018-901/Clifton ISD

Category Summary

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

Stratum
Variance
A 40,259,652 0.9605 41,915,307 23 942 .016482773
A 40,294,958 0.9106 44,250,997 16 528 .020378949
A 40,191,680 0.9586 41,927,478 29 331 .010836607
A 40,243,141 0.9935 40,506,433 7 183 .004868818
D3 64,873,390 1.0290 63,045,083 11 2,393 .011691105
F1 7,000,866 1.0308 6,791,682 7 118 .008541470
F1 7,004,427 0.9508 7,366,877 6 52 .002615077
F1 7,394,064 0.9703 7,620,390 5 23 .001531786
F1 6,479,043 0.9693 6,684,249 3 5 .001870641
Random Totals: 253,741,221   260,108,496 107 4,575  
Catg J Exception Values: 28,650,211   30,734,091      
Catg D1 Exception Values: 10,782,060   9,822,860      
Total Test Values (4): 293,173,492   300,665,447      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 15,033,272

Confidence Interval Values (5)

State Lower Limit: 285,632,175 (State Test Value minus Margin of Error Percent)
Local Test Value: 293,173,492 (Within Confidence Interval)
State Upper Limit: 315,698,719 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 387,193,086 (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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