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2009 Confidence Interval Detail
210/Shelby
210-906/Excelsior ISD

Category Summary

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

Stratum
Variance
A 1,095,280 0.9486 1,154,628 6 38 .013285067
A 821,580 0.9893 830,466 5 14 .001629192
A 1,330,300 0.9584 1,388,043 6 16 .003875826
A 1,287,590 0.9424 1,366,288 5 11 .010578027
D3 5,866,370 0.9518 6,163,448 10 348 .010744742
G1 22,123,662 1.0635 20,802,691 14 40 .012896634
Random Totals: 32,524,782   31,705,564 46 467  
Catg J Exception Values: 695,480   671,837      
Catg D1 Exception Values: 2,745,830   2,775,216      
Catg G1 Exception Values: 31,625,890   29,605,194      
Total Test Values (4): 67,591,982   64,757,811      

Margin of Error

Margin of Error Percent: 5.0000007
Margin of Error Value: 3,237,891

Confidence Interval Values (5)

State Lower Limit: 61,519,920 (State Test Value minus Margin of Error Percent)
Local Test Value: 67,591,982 (Within Confidence Interval)
State Upper Limit: 67,995,702 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 73,358,829 (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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