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2009 Confidence Interval Detail
070/Ellis
070-907/Italy ISD

Category Summary

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

Stratum
Variance
A 12,778,031 1.0181 12,550,860 9 251 .004108488
A 15,413,154 0.9255 16,653,867 10 203 .020116433
A 14,225,590 1.0020 14,197,196 9 140 .009586579
A 13,787,500 0.9923 13,894,488 8 76 .002759851
D3 23,850,270 0.9548 24,979,336 19 957 .024393822
F1 3,365,820 0.9229 3,647,004 22 35 .041357989
F1 3,062,800 0.9264 3,306,131 5 7 .012083848
Random Totals: 86,483,165   89,228,882 82 1,669  
Catg D1 Exception Values: 5,106,397   4,602,890      
Catg F1 Exception Values: 6,895,660   7,127,432      
Total Test Values (4): 98,485,222   100,959,204      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 5,047,960

Confidence Interval Values (5)

State Lower Limit: 95,911,244 (State Test Value minus Margin of Error Percent)
Local Test Value: 98,485,222 (Within Confidence Interval)
State Upper Limit: 106,007,164 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 97,957,956 (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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