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2007 Confidence Interval Detail
163/Medina
163-902/D'Hanis ISD

Category Summary

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

Stratum
Variance
A 3,020,123 0.9935 3,039,882 7 100 .006943859
A 3,040,875 0.9679 3,141,724 6 47 .008078003
A 3,011,177 1.0002 3,010,575 6 27 .006304860
A 2,976,476 0.9726 3,060,329 5 15 .009596854
D3 34,096,679 1.0160 33,559,723 36 244,059 .523604010
Random Totals: 46,145,330   45,812,233 60 244,248  
Catg J Exception Values: 4,772,922   4,757,348      
Catg D1 Exception Values: 21,926,940   22,131,812      
Total Test Values (4): 72,845,192   72,701,393      

Margin of Error

Margin of Error Percent: 11.1470533
Margin of Error Value: 8,104,063

Confidence Interval Values (5)

State Lower Limit: 64,597,330 (State Test Value minus Margin of Error Percent)
Local Test Value: 72,845,192 (Within Confidence Interval)
State Upper Limit: 80,805,456 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 76,377,038 (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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