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2008 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 7,528,733 0.7897 9,533,662 13 352 .158373173
A 9,546,468 0.9415 10,139,637 11 242 .043292832
A 10,519,431 0.9914 10,610,683 14 177 .045032258
A 14,992,910 0.9468 15,835,351 29 143 .024937265
D3 25,795,442 0.9342 27,612,334 42 2,057 .440364824
G1 11,285,540 0.9985 11,302,494 5 9 .000474015
Random Totals: 79,668,524   85,034,161 114 2,980  
Catg J Exception Values: 4,343,257   4,027,571      
Catg D1 Exception Values: 18,171,820   18,073,430      
Catg G1 Exception Values: 7,490,713   7,564,893      
Total Test Values (4): 109,674,314   114,700,055      

Margin of Error

Margin of Error Percent: 5.4025231
Margin of Error Value: 6,196,697

Confidence Interval Values (5)

State Lower Limit: 108,503,358 (State Test Value minus Margin of Error Percent)
Local Test Value: 109,674,314 (Within Confidence Interval)
State Upper Limit: 120,896,752 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 104,904,528 (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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