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2007 Confidence Interval Detail
010/Bandera
232-904/Utopia ISD

Category Summary

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

Stratum
Variance
A 7,216,042 0.8793 8,206,576 12 121 .020781428
A 7,186,933 0.9643 7,453,005 14 65 .009661241
A 7,321,821 1.0125 7,231,428 11 42 .019352581
A 7,076,801 1.0500 6,739,810 14 27 .027781107
C 2,107,558 0.6189 3,405,329 11 153 .195024755
C 2,130,273 0.7366 2,892,035 9 72 .101539252
C 2,081,874 0.9201 2,262,661 8 45 .085883974
C 2,091,496 1.0298 2,030,973 15 32 .020830222
D3 88,882,190 0.9651 92,096,353 35 2,935 .012880078
Random Totals: 126,094,988   132,318,170 129 3,492  
Catg D1 Exception Values: 12,228,733   12,335,758      
Total Test Values (4): 138,323,721   144,653,928      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 7,232,696

Confidence Interval Values (5)

State Lower Limit: 137,421,232 (State Test Value minus Margin of Error Percent)
Local Test Value: 138,323,721 (Within Confidence Interval)
State Upper Limit: 151,886,624 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 135,996,949 (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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