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2007 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 49,284,679 0.9183 53,669,475 15 1,061 .020450038
A 49,239,387 0.9668 50,930,272 16 616 .025902213
A 49,299,905 0.9337 52,800,584 15 439 .019326733
A 49,137,111 0.9950 49,384,031 16 271 .025511778
D3 87,415,020 0.9014 96,976,947 19 4,594 .360228925
F1 13,517,087 0.9317 14,507,982 11 162 .022063688
F1 13,152,033 0.9492 13,855,913 10 43 .022251624
F1 13,659,189 0.9338 14,627,532 7 20 .013080428
F1 13,001,735 0.9546 13,620,087 3 5 .004527922
L1 4,137,065 0.9970 4,149,514 7 126 .067944357
L1 4,100,082 0.9097 4,507,070 6 45 .102272426
L1 4,288,860 0.9827 4,364,363 5 20 .001179915
L1 3,791,900 0.9797 3,870,471 5 7 .000790971
Random Totals: 354,024,053   377,264,241 135 7,409  
Catg J Exception Values: 21,447,679   21,576,819      
Catg D1 Exception Values: 17,850,970   18,445,942      
Catg L1 Exception Values: 5,462,530   5,342,960      
Total Test Values (4): 398,785,232   422,629,962      

Margin of Error

Margin of Error Percent: 6.4633487
Margin of Error Value: 27,316,048

Confidence Interval Values (5)

State Lower Limit: 395,313,914 (State Test Value minus Margin of Error Percent)
Local Test Value: 398,785,232 (Within Confidence Interval)
State Upper Limit: 449,946,010 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 379,172,062 (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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