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2008 Confidence Interval Detail
018/Bosque
018-908/Cranfills Gap ISD

Category Summary

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

Stratum
Variance
A 1,696,330 0.8775 1,933,140 6 57 .014643078
A 1,670,570 0.9829 1,699,634 6 33 .009658282
A 1,574,370 0.9661 1,629,614 5 20 .012507729
A 1,922,610 1.0364 1,855,085 4 13 .002364060
D3 39,885,810 0.9806 40,674,903 21 1,099 .006585705
Random Totals: 46,749,690   47,792,376 42 1,222  
Catg D1 Exception Values: 4,231,200   3,922,939      
Total Test Values (4): 50,980,890   51,715,315      

Margin of Error

Margin of Error Percent: 5.0000005
Margin of Error Value: 2,585,766

Confidence Interval Values (5)

State Lower Limit: 49,129,549 (State Test Value minus Margin of Error Percent)
Local Test Value: 50,980,890 (Within Confidence Interval)
State Upper Limit: 54,301,081 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 50,464,099 (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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