Christmas and New Year’s Holiday Hours

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2006 Confidence Interval Detail
070/Ellis
070-903/Ennis ISD

Category Summary

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

Stratum
Variance
A 125,424,654 0.9907 126,602,053 13 2,149 .003253613
A 125,004,406 0.9658 129,430,944 38 1,336 .004843098
A 125,497,790 0.9841 127,525,445 52 915 .003605380
A 125,170,001 1.0010 125,044,956 44 539 .009249181
D3 130,163,904 0.8491 153,296,318 12 4,715 .104504856
F1 32,193,919 0.9712 33,148,599 8 232 .014919713
F1 32,764,815 0.9711 33,739,898 8 84 .021147066
F1 32,141,540 0.9127 35,215,887 8 31 .041722715
F1 31,550,481 0.9632 32,755,898 6 8 .000774851
L1 18,780,155 0.8406 22,341,369 11 273 .333505407
L1 18,900,955 0.8690 21,750,236 6 72 .155914749
L1 18,751,580 1.0256 18,283,522 5 20 .004684976
L1 18,158,546 1.0321 17,593,785 3 4 .004006456
Random Totals: 834,502,746   876,728,910 214 10,378  
Catg J Exception Values: 62,917,413   61,679,349      
Catg D1 Exception Values: 15,513,275   14,407,444      
Total Test Values (4): 912,933,434   952,815,703      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 47,640,785

Confidence Interval Values (5)

State Lower Limit: 905,174,918 (State Test Value minus Margin of Error Percent)
Local Test Value: 912,933,434 (Within Confidence Interval)
State Upper Limit: 1,000,456,488 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 1,489,190,705 (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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