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2006 Confidence Interval Detail
026/Burleson
026-902/Somerville ISD

Category Summary

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

Stratum
Variance
A 13,412,621 1.0654 12,589,282 18 714 .036785292
A 13,370,474 0.9793 13,653,093 17 368 .034940494
A 13,434,451 0.8814 15,242,173 16 245 .035363351
A 13,336,305 0.9105 14,647,232 21 152 .004764677
C 2,788,812 1.3105 2,128,052 7 1,446 .141868916
C 3,052,618 1.1311 2,698,805 8 1,108 .120470485
C 2,467,556 2.3818 1,036,005 7 702 .122290490
C 2,767,577 1.0229 2,705,618 7 227 .146483227
D3 34,897,780 1.0770 32,402,767 26 2,005 .025139899
G1 8,416,912 0.9719 8,660,265 7 37 .024756827
G1 8,089,500 0.9623 8,406,422 5 12 .064423654
G1 9,848,665 1.0301 9,560,882 3 6 .006009681
Random Totals: 125,883,271   123,730,596 142 7,022  
Catg J Exception Values: 7,935,440   7,795,997      
Catg D1 Exception Values: 3,103,720   2,516,067      
Catg G1 Exception Values: 6,446,658   6,557,771      
Total Test Values (4): 143,369,089   140,600,431      

Margin of Error

Margin of Error Percent: 5.0000003
Margin of Error Value: 7,030,022

Confidence Interval Values (5)

State Lower Limit: 133,570,409 (State Test Value minus Margin of Error Percent)
Local Test Value: 143,369,089 (Within Confidence Interval)
State Upper Limit: 147,630,453 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 177,911,827 (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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