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2007 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 1,088,154 0.9555 1,138,832 8 37 .021288563
A 1,085,128 1.0500 1,033,455 6 18 .009378261
A 1,096,509 1.0654 1,029,199 5 12 .012427894
A 997,401 1.0319 966,567 4 8 .085784094
D3 5,901,147 0.9509 6,205,854 20 508 .023121302
G1 826,050 0.8717 947,631 10 12 .248174006
Random Totals: 10,994,389   11,321,538 53 595  
Catg J Exception Values: 739,309   731,341      
Catg D1 Exception Values: 2,565,220   2,257,694      
Catg G1 Exception Values: 877,040   677,445      
Total Test Values (4): 15,175,958   14,988,018      

Margin of Error

Margin of Error Percent: 5.0000007
Margin of Error Value: 749,401

Confidence Interval Values (5)

State Lower Limit: 14,238,617 (State Test Value minus Margin of Error Percent)
Local Test Value: 15,175,958 (Within Confidence Interval)
State Upper Limit: 15,737,419 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 12,859,987 (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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