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2007 Confidence Interval Detail
014/Bell
014-907/Rogers ISD

Category Summary

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

Stratum
Variance
A 15,439,077 0.8897 17,353,127 10 297 .038966288
A 15,366,795 0.9591 16,022,099 9 142 .009296115
A 15,516,095 1.0806 14,358,778 10 99 .032351132
A 15,187,336 0.9601 15,818,494 8 55 .007524811
D3 58,205,826 1.0255 56,758,485 20 2,440 .045482470
Random Totals: 119,715,129   120,310,983 57 3,033  
Catg J Exception Values: 11,368,786   11,364,090      
Catg D1 Exception Values: 14,542,871   13,124,122      
Total Test Values (4): 145,626,786   144,799,195      

Margin of Error

Margin of Error Percent: 5.0000002
Margin of Error Value: 7,239,960

Confidence Interval Values (5)

State Lower Limit: 137,559,235 (State Test Value minus Margin of Error Percent)
Local Test Value: 145,626,786 (Within Confidence Interval)
State Upper Limit: 152,039,155 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 128,985,393 (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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