Christmas and New Year’s Holiday Hours

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2009 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 2,813,920 1.0332 2,723,500 7 67 .072233501
A 2,752,100 1.0506 2,619,551 8 40 .002701884
A 2,674,810 1.0658 2,509,673 7 27 .011263523
A 2,609,910 0.9717 2,685,922 7 15 .003612458
D3 11,149,310 0.9335 11,943,557 20 553 .070304298
F1 2,900,320 0.9978 2,906,715 5 6 .000044185
Random Totals: 24,900,370   25,388,918 54 708  
Catg J Exception Values: 1,491,610   1,487,291      
Catg D1 Exception Values: 4,372,829   4,276,271      
Total Test Values (4): 30,764,809   31,152,480      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 1,557,624

Confidence Interval Values (5)

State Lower Limit: 29,594,856 (State Test Value minus Margin of Error Percent)
Local Test Value: 30,764,809 (Within Confidence Interval)
State Upper Limit: 32,710,104 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 32,211,601 (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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