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2007 Confidence Interval Detail
241/Wharton
241-904/Wharton ISD

Category Summary

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

Stratum
Variance
A 64,241,615 0.9533 67,388,666 20 1,348 .049776978
A 64,275,973 0.9551 67,297,637 24 705 .015360532
A 64,224,567 0.9593 66,949,408 17 491 .010172572
A 64,096,083 1.0492 61,090,434 14 313 .010154860
D3 44,166,320 0.9978 44,263,700 12 2,714 .011188322
F1 18,125,588 0.9604 18,872,957 11 202 .011429550
F1 18,282,935 0.9227 19,814,604 9 63 .016637602
F1 18,295,754 0.8678 21,082,915 7 12 .051191571
G1 19,670,491 0.9205 21,369,355 6 29 .024723963
G1 22,149,265 0.9345 23,701,728 4 8 .002161845
G1 17,139,488 0.9554 17,939,594 2 3 .006454121
L1 5,898,127 0.9069 6,503,613 7 198 .126432737
L1 5,971,534 1.0114 5,904,226 6 53 .040279671
L1 5,815,430 0.9567 6,078,635 5 23 .004032906
L1 5,801,681 0.9934 5,840,226 4 7 .000257691
Random Totals: 438,154,851   454,097,698 148 6,169  
Catg J Exception Values: 21,185,973   19,659,575      
Catg D1 Exception Values: 21,248,950   21,694,249      
Catg F1 Exception Values: 14,560,000   15,704,066      
Catg G1 Exception Values: 19,468,777   20,689,790      
Catg L1 Exception Values: 5,837,740   6,006,908      
Total Test Values (4): 520,456,291   537,852,286      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 26,892,614

Confidence Interval Values (5)

State Lower Limit: 510,959,672 (State Test Value minus Margin of Error Percent)
Local Test Value: 520,456,291 (Within Confidence Interval)
State Upper Limit: 564,744,900 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 660,134,851 (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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