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2009 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 12,994,850 0.9642 13,477,339 8 284 .020694506
A 13,855,504 1.0214 13,565,209 7 135 .007365029
A 12,896,637 0.9371 13,762,285 7 88 .005081036
A 13,289,320 0.8397 15,826,271 6 59 .020811035
D3 65,456,570 0.9882 66,238,181 24 2,323 .013494685
Random Totals: 118,492,881   122,869,285 52 2,889  
Catg J Exception Values: 10,910,280   10,926,295      
Catg D1 Exception Values: 13,296,129   11,622,901      
Total Test Values (4): 142,699,290   145,418,481      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 7,270,924

Confidence Interval Values (5)

State Lower Limit: 138,147,557 (State Test Value minus Margin of Error Percent)
Local Test Value: 142,699,290 (Within Confidence Interval)
State Upper Limit: 152,689,405 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 131,210,616 (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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