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2011 Confidence Interval Detail
229/Tyler
229-904/Warren ISD

Category Summary

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

Stratum
Variance
A 27,550,649 0.7894 34,900,746 10 739 .036054049
A 27,614,756 0.8791 31,412,531 11 394 .054421267
A 27,484,963 0.9053 30,360,061 12 250 .011443767
A 27,577,221 0.9580 28,786,243 10 139 .015719160
D3 32,465,921 0.9635 33,695,818 15 2,362 .033396560
G1 13,835,239 0.9931 13,931,365 6 17 .001023979
G1 10,682,557 0.9714 10,997,073 3 4 .001195057
G1 14,913,649 0.8228 18,125,485 3 4 .097132140
Random Totals: 182,124,955   202,209,322 70 3,909  
Catg D1 Exception Values: 22,356,239   21,770,963      
Catg G1 Exception Values: 9,545,877   9,661,991      
Total Test Values (4): 214,027,071   233,642,276      

Margin of Error

Margin of Error Percent: 5.0000001
Margin of Error Value: 11,682,114

Confidence Interval Values (5)

Local Test Value: 214,027,071 (Outside Confidence Interval)
State Lower Limit: 221,960,162 (State Test Value minus Margin of Error Percent)
State Upper Limit: 245,324,390 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 206,514,579 (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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