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2008 Confidence Interval Detail
105/Hays
105-904/Dripping Springs ISD

Category Summary

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

Stratum
Variance
A 347,150,325 0.9549 363,546,261 56 1,722 .004455024
A 433,686,242 0.9855 440,067,217 56 1,516 .002828482
A 484,582,414 0.9764 496,294,975 57 1,338 .008002300
A 560,503,655 0.9720 576,649,851 55 1,108 .011236878
C 15,210,906 0.7802 19,496,163 7 446 .090656330
C 31,782,350 0.8923 35,618,458 9 581 .058436965
C 56,772,610 0.9430 60,204,252 31 669 .024301205
C 51,885,960 0.9724 53,358,659 18 256 .020862670
D3 297,312,341 0.9998 297,371,815 21 3,264 .048138916
Random Totals: 2,278,886,803   2,342,607,651 310 10,900  
Catg D1 Exception Values: 6,644,159   6,653,037      
Total Test Values (4): 2,285,530,962   2,349,260,688      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 117,463,034

Confidence Interval Values (5)

State Lower Limit: 2,231,797,654 (State Test Value minus Margin of Error Percent)
Local Test Value: 2,285,530,962 (Within Confidence Interval)
State Upper Limit: 2,466,723,722 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 2,365,518,902 (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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