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2006 Confidence Interval Detail
163/Medina
163-901/Devine ISD

Category Summary

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

Stratum
Variance
A 25,890,395 1.0048 25,766,715 7 735 .013089231
A 25,861,634 0.9764 26,486,721 7 430 .010951551
A 25,982,761 0.9469 27,439,815 9 290 .004695787
A 25,766,669 1.0534 24,460,479 7 172 .009913232
D3 67,747,725 0.9921 68,287,194 33 3,416 .016445249
F1 6,607,254 0.9416 7,017,050 7 103 .002159094
F1 6,411,817 0.9195 6,973,156 7 33 .007633826
F1 6,485,824 1.0555 6,144,788 5 16 .042362889
F1 6,381,703 0.9765 6,535,282 3 5 .003298305
Random Totals: 197,135,782   199,111,200 85 5,200  
Catg D1 Exception Values: 12,439,137   12,693,702      
Total Test Values (4): 209,574,919   211,804,902      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 10,590,245

Confidence Interval Values (5)

State Lower Limit: 201,214,657 (State Test Value minus Margin of Error Percent)
Local Test Value: 209,574,919 (Within Confidence Interval)
State Upper Limit: 222,395,147 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 234,385,683 (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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