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2006 Confidence Interval Detail
034/Cass
034-901/Atlanta ISD

Category Summary

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

Stratum
Variance
A 43,125,792 1.0928 39,463,572 15 1,074 .043237870
A 43,107,779 0.9805 43,965,098 17 614 .007080718
A 42,910,957 1.0594 40,504,962 18 423 .007859642
A 43,003,497 0.9102 47,246,206 17 252 .014206246
D3 85,577,030 1.1093 77,145,073 22 4,685 .148058728
F1 12,801,285 0.8572 14,933,837 15 167 .110598042
F1 12,806,722 0.8935 14,333,209 15 43 .064837841
F1 12,780,961 0.9583 13,337,119 15 19 .047212234
L1 4,171,342 0.9442 4,417,859 7 129 .020144517
L1 4,235,272 1.0008 4,231,886 7 45 .000004205
L1 4,309,501 0.9200 4,684,240 5 20 .033021116
L1 3,901,918 0.9414 4,144,803 4 9 .011018417
Random Totals: 312,732,056   308,407,864 157 7,480  
Catg J Exception Values: 20,529,303   22,576,209      
Catg D1 Exception Values: 19,216,490   20,317,201      
Catg F1 Exception Values: 12,232,450   13,248,064      
Catg L1 Exception Values: 5,464,720   5,464,918      
Total Test Values (4): 370,175,019   370,014,256      

Margin of Error

Margin of Error Percent: 5.0000001
Margin of Error Value: 18,500,713

Confidence Interval Values (5)

State Lower Limit: 351,513,543 (State Test Value minus Margin of Error Percent)
Local Test Value: 370,175,019 (Within Confidence Interval)
State Upper Limit: 388,514,969 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 363,875,789 (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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