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2009 Confidence Interval Detail
210/Shelby
210-903/Shelbyville ISD

Category Summary

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

Stratum
Variance
A 5,939,590 0.9462 6,277,309 7 239 .002910717
A 5,737,120 0.9797 5,855,997 8 120 .003587578
A 6,048,210 0.9609 6,294,318 6 86 .006617019
A 6,380,250 1.0051 6,347,876 9 50 .001552401
D3 54,818,760 0.9515 57,612,990 20 3,228 .018632584
G1 26,095,533 1.0245 25,471,482 8 43 .016518053
G1 26,142,800 0.9672 27,029,363 9 22 .008354239
G1 26,055,176 0.9959 26,162,442 5 14 .011650757
G1 25,916,941 1.0302 25,157,194 5 8 .024984498
Random Totals: 183,134,380   186,208,971 77 3,810  
Catg J Exception Values: 2,370,510   2,353,345      
Catg D1 Exception Values: 16,547,440   17,119,937      
Total Test Values (4): 202,052,330   205,682,253      

Margin of Error

Margin of Error Percent: 5.0000002
Margin of Error Value: 10,284,113

Confidence Interval Values (5)

State Lower Limit: 195,398,140 (State Test Value minus Margin of Error Percent)
Local Test Value: 202,052,330 (Within Confidence Interval)
State Upper Limit: 215,966,366 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 226,389,513 (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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