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2007 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 224,057,905 0.9877 226,848,137 64 1,720 .011106653
A 224,132,696 0.9933 225,644,514 61 1,147 .012557401
A 224,068,698 0.9586 233,745,773 49 839 .007272604
A 223,966,228 0.9428 237,554,336 26 515 .023938154
C 22,835,354 0.9251 24,684,201 42 2,313 .034579343
C 22,836,581 0.9542 23,932,699 18 638 .036935566
C 22,863,188 0.9419 24,273,477 23 375 .011250562
C 22,795,064 0.9560 23,844,209 15 165 .016388766
D3 185,760,328 0.9459 196,384,743 26 2,244 .018856489
Random Totals: 1,173,316,042   1,216,912,089 324 9,956  
Catg D1 Exception Values: 4,254,857   4,343,768      
Total Test Values (4): 1,177,570,899   1,221,255,857      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 61,062,793

Confidence Interval Values (5)

State Lower Limit: 1,160,193,064 (State Test Value minus Margin of Error Percent)
Local Test Value: 1,177,570,899 (Within Confidence Interval)
State Upper Limit: 1,282,318,650 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 1,241,574,730 (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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