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2009 Confidence Interval Detail
105/Hays
105-905/Wimberley ISD

Category Summary

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

Stratum
Variance
A 253,710,982 0.9460 268,193,427 44 1,861 .010233948
A 258,201,719 0.9699 266,214,784 29 1,251 .010678651
A 268,981,789 0.9017 298,305,189 16 918 .029219943
A 279,728,014 0.9938 281,473,148 16 567 .005391139
C 23,815,551 0.7669 31,054,311 7 1,746 .054714102
C 26,848,496 0.9206 29,164,128 7 519 .021511551
C 31,205,414 0.9859 31,651,703 11 337 .018762305
C 28,284,630 0.9081 31,147,043 7 146 .019980600
D3 233,690,989 1.0113 231,079,787 18 2,433 .008059440
Random Totals: 1,404,467,584   1,468,283,520 155 9,778  
Catg D1 Exception Values: 4,776,530   4,656,232      
Total Test Values (4): 1,409,244,114   1,472,939,752      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 73,646,988

Confidence Interval Values (5)

State Lower Limit: 1,399,292,764 (State Test Value minus Margin of Error Percent)
Local Test Value: 1,409,244,114 (Within Confidence Interval)
State Upper Limit: 1,546,586,740 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 1,388,391,017 (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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