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2006 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 319,558,381 0.9486 336,873,689 55 1,676 .006054891
A 319,566,452 0.9821 325,390,950 56 1,140 .004398262
A 319,403,793 0.9659 330,679,980 56 899 .006301036
A 319,237,204 0.9678 329,858,653 55 628 .006492916
C 30,488,231 0.9108 33,474,123 13 874 .012206371
C 27,452,334 0.9098 30,174,032 30 513 .009715375
C 28,939,317 0.9775 29,605,439 38 384 .010112229
C 28,956,797 0.9230 31,372,478 24 209 .008135684
D3 247,310,701 0.9838 251,383,107 39 3,139 .010787011
Random Totals: 1,640,913,210   1,698,812,451 366 9,462  
Catg D1 Exception Values: 5,919,589   5,854,258      
Total Test Values (4): 1,646,832,799   1,704,666,709      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 85,233,335

Confidence Interval Values (5)

State Lower Limit: 1,619,433,374 (State Test Value minus Margin of Error Percent)
Local Test Value: 1,646,832,799 (Within Confidence Interval)
State Upper Limit: 1,789,900,044 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 1,738,682,040 (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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