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2011 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 44,572,560 0.8193 54,403,222 10 1,021 .037815820
A 54,022,090 0.8947 60,380,116 11 720 .055090871
A 56,998,834 0.9444 60,354,547 10 493 .020155070
A 62,640,490 1.0132 61,824,408 13 337 .013585769
D3 98,985,289 1.0051 98,483,026 15 4,772 .102898229
F1 16,142,750 0.7208 22,395,602 12 181 .455113300
F1 14,606,080 0.9655 15,127,996 8 47 .022436000
F1 11,635,680 0.9381 12,403,454 7 17 .008468095
F1 15,210,860 0.8780 17,324,442 3 6 .026978046
Random Totals: 374,814,633   402,696,813 89 7,594  
Catg J Exception Values: 7,570,314   7,326,254      
Catg D1 Exception Values: 22,788,604   22,302,490      
Total Test Values (4): 405,173,551   432,325,557      

Margin of Error

Margin of Error Percent: 5.1703057
Margin of Error Value: 22,352,553

Confidence Interval Values (5)

Local Test Value: 405,173,551 (Outside Confidence Interval)
State Lower Limit: 409,973,004 (State Test Value minus Margin of Error Percent)
State Upper Limit: 454,678,110 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 523,636,452 (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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