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2007 Confidence Interval Detail
010/Bandera
010-901/Medina ISD

Category Summary

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

Stratum
Variance
A 8,007,724 0.8819 9,080,082 11 151 .038473135
A 8,012,620 0.9687 8,271,519 13 77 .069244949
A 7,891,026 1.0043 7,857,240 12 45 .006954610
A 7,848,366 1.0910 7,193,736 9 27 .011801729
D3 120,391,081 1.0263 117,305,935 47 3,170 .362840914
Random Totals: 152,150,817   149,708,512 92 3,470  
Catg D1 Exception Values: 9,646,265   9,715,451      
Total Test Values (4): 161,797,082   159,423,963      

Margin of Error

Margin of Error Percent: 12.7776970
Margin of Error Value: 20,370,711

Confidence Interval Values (5)

State Lower Limit: 139,053,252 (State Test Value minus Margin of Error Percent)
Local Test Value: 161,797,082 (Within Confidence Interval)
State Upper Limit: 179,794,674 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 161,784,150 (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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