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2006 Confidence Interval Detail
246/Williamson
246-908/Liberty Hill ISD

Category Summary

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

Stratum
Variance
A 115,046,494 0.9288 123,865,734 44 998 .016447891
A 115,117,764 0.9074 126,865,510 29 541 .017830851
A 115,033,450 0.9367 122,807,142 30 387 .013416158
A 114,966,783 0.9648 119,161,259 17 237 .002597135
C 15,580,110 0.9165 16,999,574 9 486 .026219013
C 15,562,816 1.0125 15,370,682 27 264 .036477162
C 15,542,679 0.9016 17,238,996 15 124 .071859554
C 15,478,661 1.0329 14,985,634 6 68 .057041030
D3 93,193,116 1.0155 91,770,671 28 1,866 .042167097
F1 14,353,293 0.8933 16,067,719 6 71 .035453955
F1 14,372,403 1.0098 14,232,920 6 35 .001685484
F1 14,288,090 1.0416 13,717,444 4 17 .011290556
F1 13,978,648 0.9413 14,850,364 5 7 .026074206
Random Totals: 672,514,307   707,933,649 226 5,101  
Catg D1 Exception Values: 3,250,480   2,990,684      
Total Test Values (4): 675,764,787   710,924,333      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 35,546,217

Confidence Interval Values (5)

State Lower Limit: 675,378,116 (State Test Value minus Margin of Error Percent)
Local Test Value: 675,764,787 (Within Confidence Interval)
State Upper Limit: 746,470,550 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 694,404,619 (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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