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2008 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 1,109,810 0.8596 1,291,077 14 44 .050627162
A 1,244,650 1.0111 1,230,986 13 21 .005596872
A 827,670 1.0447 792,256 8 10 .002533939
A 1,252,600 1.0666 1,174,386 7 11 .003948259
D3 5,966,776 0.9625 6,199,248 22 355 .018394914
G1 16,766,128 1.0207 16,426,108 13 20 .002109465
Random Totals: 27,167,634   27,114,061 77 461  
Catg J Exception Values: 716,062   736,950      
Catg D1 Exception Values: 2,522,610   2,501,388      
Catg G1 Exception Values: 35,390,473   35,379,791      
Total Test Values (4): 65,796,779   65,732,190      

Margin of Error

Margin of Error Percent: 5.0000008
Margin of Error Value: 3,286,610

Confidence Interval Values (5)

State Lower Limit: 62,445,580 (State Test Value minus Margin of Error Percent)
Local Test Value: 65,796,779 (Within Confidence Interval)
State Upper Limit: 69,018,800 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 35,038,228 (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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