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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 0.7733 9,735,850 14 352 .148286594
A 9,546,468 0.8464 11,278,908 11 242 .059934806
A 10,519,431 0.9702 10,842,539 14 177 .045971273
A 14,992,910 0.9273 16,168,349 30 143 .025538267
D3 25,795,442 0.8557 30,145,427 41 2,057 .119044956
G1 11,285,540 0.9091 12,413,970 5 9 .007239570
Random Totals: 79,668,524   90,585,043 115 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   120,250,937      

Margin of Error

Margin of Error Percent: 5.0000001
Margin of Error Value: 6,012,547

Confidence Interval Values (5)

Local Test Value: 109,674,314 (Outside Confidence Interval)
State Lower Limit: 114,238,390 (State Test Value minus Margin of Error Percent)
State Upper Limit: 126,263,484 (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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