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2008 Confidence Interval Detail
065/Donley
065-902/Hedley ISD

Category Summary

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

Stratum
Variance
A 812,405 0.9640 842,744 6 77 .007156924
A 914,373 0.9431 969,540 6 45 .020092361
A 945,397 0.9602 984,583 5 21 .000941749
A 831,847 1.0026 829,690 4 11 .007807278
D3 7,247,959 0.9651 7,510,060 18 810 .092073416
Random Totals: 10,751,981   11,136,617 39 964  
Catg J Exception Values: 6,210,817   6,240,498      
Catg D1 Exception Values: 7,966,214   7,744,535      
Total Test Values (4): 24,929,012   25,121,650      

Margin of Error

Margin of Error Percent: 5.0000020
Margin of Error Value: 1,256,083

Confidence Interval Values (5)

State Lower Limit: 23,865,567 (State Test Value minus Margin of Error Percent)
Local Test Value: 24,929,012 (Within Confidence Interval)
State Upper Limit: 26,377,733 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 28,708,369 (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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