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2011 Confidence Interval Detail
229/Tyler
229-901/Colmesneil ISD

Category Summary

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

Stratum
Variance
A 11,044,199 0.9614 11,487,621 12 394 .020834932
A 11,388,604 0.9477 12,017,098 11 227 .022826930
A 11,745,003 0.9633 12,192,467 11 153 .023063409
A 11,571,774 0.9186 12,597,185 10 88 .020741223
D3 28,324,219 1.0628 26,650,564 16 1,947 .067748758
G1 14,992,358 1.0049 14,919,254 7 13 .000494290
Random Totals: 89,066,157   89,864,189 67 2,822  
Catg J Exception Values: 4,718,745   4,372,637      
Catg D1 Exception Values: 17,834,605   17,207,747      
Catg G1 Exception Values: 4,000,182   4,235,005      
Total Test Values (4): 115,619,689   115,679,578      

Margin of Error

Margin of Error Percent: 5.0000001
Margin of Error Value: 5,783,979

Confidence Interval Values (5)

State Lower Limit: 109,895,599 (State Test Value minus Margin of Error Percent)
Local Test Value: 115,619,689 (Within Confidence Interval)
State Upper Limit: 121,463,557 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 111,865,498 (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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