Christmas and New Year’s Holiday Hours

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2010 Confidence Interval Detail
246/Williamson
246-912/Thrall ISD

Category Summary

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

Stratum
Variance
A 13,317,388 0.9561 13,928,865 11 236 .033208969
A 12,194,851 0.8557 14,251,316 9 127 .013796663
A 12,999,371 0.9734 13,354,603 9 97 .005232599
A 15,152,743 0.9698 15,624,606 8 63 .002573099
D3 77,394,715 1.0380 74,561,382 26 2,448 .111496314
Random Totals: 131,059,068   131,720,772 63 2,971  
Catg J Exception Values: 9,461,802   10,094,263      
Catg D1 Exception Values: 21,989,194   18,836,576      
Total Test Values (4): 162,510,064   160,651,611      

Margin of Error

Margin of Error Percent: 6.1747000
Margin of Error Value: 9,919,755

Confidence Interval Values (5)

State Lower Limit: 150,731,856 (State Test Value minus Margin of Error Percent)
Local Test Value: 162,510,064 (Within Confidence Interval)
State Upper Limit: 170,571,366 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 167,522,697 (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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