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2006 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 8,571,171 0.9813 8,734,506 8 399 .030795108
A 8,524,798 0.9634 8,848,659 7 217 .001942503
A 8,558,240 0.9332 9,170,853 7 145 .022075247
A 8,501,221 0.9469 8,977,950 8 87 .020210310
D3 21,841,017 0.9485 23,026,902 10 2,198 .002188293
Random Totals: 55,996,447   58,758,870 40 3,046  
Catg J Exception Values: 4,315,730   4,473,914      
Catg D1 Exception Values: 19,693,670   29,030,601      
Total Test Values (4): 80,005,847   92,263,385      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 4,613,169

Confidence Interval Values (5)

Local Test Value: 80,005,847 (Outside Confidence Interval)
State Lower Limit: 87,650,216 (State Test Value minus Margin of Error Percent)
State Upper Limit: 96,876,554 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 84,249,549 (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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