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2009 Confidence Interval Detail
066/Duval
066-903/Freer ISD

Category Summary

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

Stratum
Variance
A 5,789,820 0.8674 6,674,914 12 351 .131399480
A 7,593,210 0.9186 8,266,068 11 263 .013544889
A 8,017,200 0.8701 9,214,113 11 176 .014795795
A 8,093,210 0.8416 9,616,457 9 97 .032500998
D3 13,279,627 0.9964 13,327,606 17 1,877 .257272512
G1 81,357,192 0.9803 82,992,137 15 112 .046388483
G1 81,534,922 1.0165 80,211,433 15 36 .013083530
G1 78,665,326 1.0982 71,631,147 14 16 .034051318
Random Totals: 284,330,507   281,933,875 104 2,928  
Catg J Exception Values: 11,572,442   12,074,075      
Catg D1 Exception Values: 15,044,903   18,490,393      
Catg G1 Exception Values: 79,442,033   72,704,084      
Total Test Values (4): 390,389,885   385,202,427      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 19,260,121

Confidence Interval Values (5)

State Lower Limit: 365,942,306 (State Test Value minus Margin of Error Percent)
Local Test Value: 390,389,885 (Within Confidence Interval)
State Upper Limit: 404,462,548 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 473,655,727 (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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