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2008 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 7,805,293 0.9422 8,284,115 17 163 .014816493
A 8,101,920 0.9986 8,113,279 16 85 .010369588
A 9,685,940 1.0117 9,573,925 17 61 .005956460
A 9,503,840 0.9998 9,505,741 14 35 .012223191
D3 115,492,723 1.0522 109,763,090 48 3,112 .111530860
Random Totals: 150,589,716   145,240,150 112 3,456  
Catg D1 Exception Values: 9,262,619   9,650,816      
Total Test Values (4): 159,852,335   154,890,966      

Margin of Error

Margin of Error Percent: 6.7303448
Margin of Error Value: 10,424,696

Confidence Interval Values (5)

State Lower Limit: 144,466,270 (State Test Value minus Margin of Error Percent)
Local Test Value: 159,852,335 (Within Confidence Interval)
State Upper Limit: 165,315,662 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 158,945,545 (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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