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2007 Confidence Interval Detail
018/Bosque
018-905/Walnut Springs ISD

Category Summary

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

Stratum
Variance
A 3,437,814 0.8845 3,886,731 7 121 .016585023
A 3,453,155 0.9557 3,613,221 6 69 .013729016
A 3,394,372 0.9897 3,429,698 6 42 .016782983
A 3,410,129 1.0454 3,262,033 5 17 .007641495
D3 26,711,077 0.9813 27,220,093 15 756 .003497915
Random Totals: 40,406,547   41,411,776 39 1,005  
Catg J Exception Values: 3,800,675   3,866,693      
Catg D1 Exception Values: 4,886,130   4,197,654      
Total Test Values (4): 49,093,352   49,476,123      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 2,473,806

Confidence Interval Values (5)

State Lower Limit: 47,002,317 (State Test Value minus Margin of Error Percent)
Local Test Value: 49,093,352 (Within Confidence Interval)
State Upper Limit: 51,949,929 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 62,002,668 (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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