Veteran's Day

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2010 Confidence Interval Detail
070/Ellis
070-901/Avalon ISD

Category Summary

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

Stratum
Variance
A 2,683,140 0.8406 3,191,934 10 65 .024511058
A 2,738,930 0.8944 3,062,310 11 40 .031466693
A 2,348,670 0.9128 2,573,039 7 24 .009148310
A 3,274,990 0.9652 3,393,069 7 18 .000994583
D3 11,614,610 0.9498 12,228,480 20 528 .057116960
F1 493,460 1.0061 490,468 4 5 .000495119
Random Totals: 23,153,800   24,939,300 59 680  
Catg J Exception Values: 1,509,050   1,322,375      
Catg D1 Exception Values: 4,738,665   4,790,692      
Catg F1 Exception Values: 2,505,930   2,411,000      
Total Test Values (4): 31,907,445   33,463,367      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 1,673,168

Confidence Interval Values (5)

State Lower Limit: 31,790,199 (State Test Value minus Margin of Error Percent)
Local Test Value: 31,907,445 (Within Confidence Interval)
State Upper Limit: 35,136,535 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 33,437,778 (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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