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2008 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 44,029,340 0.9231 47,697,259 22 895 .016452536
A 43,906,580 1.0080 43,558,115 11 512 .014416480
A 45,417,960 0.9558 47,518,267 15 350 .015474362
A 47,046,040 0.9905 47,497,264 8 206 .027883162
D3 73,365,770 0.9732 75,386,118 13 2,268 .004936972
F1 7,200,610 0.9285 7,755,100 7 123 .005481043
F1 7,078,740 0.9908 7,144,469 6 50 .005916351
F1 8,148,060 0.9917 8,216,255 5 24 .001184891
F1 6,592,060 0.9775 6,743,795 3 5 .000073220
Random Totals: 282,785,160   291,516,642 90 4,433  
Catg J Exception Values: 28,317,791   28,032,086      
Catg D1 Exception Values: 9,684,010   9,271,030      
Total Test Values (4): 320,786,961   328,819,758      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 16,440,988

Confidence Interval Values (5)

State Lower Limit: 312,378,770 (State Test Value minus Margin of Error Percent)
Local Test Value: 320,786,961 (Within Confidence Interval)
State Upper Limit: 345,260,746 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 416,594,992 (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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