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2008 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 53,542,019 0.8866 60,390,276 17 1,241 .054926064
A 50,881,280 0.9233 55,108,069 15 693 .030344613
A 48,925,900 0.9932 49,260,874 18 429 .030326296
A 55,266,060 1.0175 54,315,538 15 311 .016326161
D3 93,230,328 0.9718 95,935,715 45 4,686 .178992257
F1 14,589,410 0.9154 15,937,743 7 181 .051230920
F1 13,593,640 0.9516 14,285,036 6 48 .043393270
F1 16,353,530 0.9738 16,793,520 5 24 .044650485
F1 14,859,950 0.9869 15,057,199 4 6 .000342634
Random Totals: 361,242,117   377,083,970 132 7,619  
Catg J Exception Values: 22,228,433   22,330,572      
Catg D1 Exception Values: 18,043,562   22,979,722      
Total Test Values (4): 401,514,112   422,394,264      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 21,119,713

Confidence Interval Values (5)

State Lower Limit: 401,274,551 (State Test Value minus Margin of Error Percent)
Local Test Value: 401,514,112 (Within Confidence Interval)
State Upper Limit: 443,513,977 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 418,923,901 (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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