Christmas and New Year’s Holiday Hours

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2008 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 132,147,743 0.9704 136,178,630 15 2,295 .003056334
A 142,277,433 1.0002 142,248,983 29 1,478 .004178785
A 147,813,946 0.9731 151,900,058 33 1,048 .003464431
A 145,086,988 0.9666 150,100,339 22 605 .004371161
D3 153,329,597 1.0038 152,749,150 53 4,679 .004800132
F1 35,927,044 1.0452 34,373,368 8 237 .016981183
F1 39,586,000 1.0397 38,074,445 7 92 .006901443
F1 39,394,426 1.0491 37,550,687 6 31 .022351709
F1 53,039,100 0.9655 54,934,335 4 10 .002480532
L1 19,268,645 1.0192 18,905,656 7 273 .089496907
L1 17,497,130 0.7613 22,983,226 10 61 .121724164
L1 21,200,540 0.9093 23,315,231 9 22 .036502829
L1 19,148,640 1.0010 19,129,510 3 4 .000009114
Random Totals: 965,717,232   982,443,618 206 10,835  
Catg J Exception Values: 58,026,780   57,740,763      
Catg D1 Exception Values: 14,995,830   11,958,044      
Total Test Values (4): 1,038,739,842   1,052,142,425      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 52,607,121

Confidence Interval Values (5)

State Lower Limit: 999,535,304 (State Test Value minus Margin of Error Percent)
Local Test Value: 1,038,739,842 (Within Confidence Interval)
State Upper Limit: 1,104,749,546 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 1,685,842,002 (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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