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2006 Confidence Interval Detail
251/Yoakum
251-902/Plains ISD

Category Summary

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

Stratum
Variance
D3 12,199,500 1.0275 11,872,993 10 1,999 .040009715
G1 280,092,003 1.0128 276,552,136 5 9 .019752733
G1 2,376,048,778 1.0234 2,321,720,518 3 4 .003805382
Random Totals: 2,668,340,281   2,610,145,647 18 2,012  
Catg D1 Exception Values: 32,295,333   45,151,681      
Total Test Values (4): 2,700,635,614   2,655,297,328      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 132,764,866

Confidence Interval Values (5)

State Lower Limit: 2,522,532,462 (State Test Value minus Margin of Error Percent)
Local Test Value: 2,700,635,614 (Within Confidence Interval)
State Upper Limit: 2,788,062,194 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 790,830,877 (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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