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2010 Confidence Interval Detail
018/Bosque
018-906/Iredell ISD

Category Summary

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

Stratum
Variance
A 2,642,970 0.9659 2,736,277 12 72 .055636531
A 2,790,400 0.9805 2,845,895 10 45 .001845540
A 3,140,000 1.0026 3,131,857 8 30 .001700886
A 2,406,310 1.0296 2,337,131 6 13 .002889430
D3 35,455,920 0.9768 36,298,034 29 1,203 .021106234
Random Totals: 46,435,600   47,349,194 65 1,363  
Catg J Exception Values: 1,454,857   1,443,437      
Catg D1 Exception Values: 6,215,060   5,513,694      
Total Test Values (4): 54,105,517   54,306,325      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 2,715,316

Confidence Interval Values (5)

State Lower Limit: 51,591,009 (State Test Value minus Margin of Error Percent)
Local Test Value: 54,105,517 (Within Confidence Interval)
State Upper Limit: 57,021,641 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 52,883,022 (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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