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2007 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 2,610,301 0.9818 2,658,689 6 74 .023627595
A 2,587,885 1.0051 2,574,754 6 45 .002779412
A 2,604,022 1.0260 2,538,033 6 30 .003538283
A 2,563,371 0.9931 2,581,181 5 16 .007776679
D3 34,071,450 0.9717 35,063,754 20 1,423 .006020626
Random Totals: 44,437,029   45,416,411 43 1,588  
Catg J Exception Values: 1,969,891   2,034,360      
Catg D1 Exception Values: 7,089,280   6,193,037      
Total Test Values (4): 53,496,200   53,643,808      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 2,682,190

Confidence Interval Values (5)

State Lower Limit: 50,961,618 (State Test Value minus Margin of Error Percent)
Local Test Value: 53,496,200 (Within Confidence Interval)
State Upper Limit: 56,325,998 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 64,067,431 (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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