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2010 Confidence Interval Detail
095/Hale
095-904/Petersburg ISD

Category Summary

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

Stratum
Variance
A 3,352,916 0.8772 3,822,294 15 160 .034263702
A 3,943,787 0.8892 4,435,208 16 111 .010476557
A 3,418,692 0.9134 3,742,820 16 57 .027451937
A 3,939,281 0.9575 4,114,132 15 35 .004637558
D3 8,533,040 1.0491 8,133,676 20 760 .142768253
L1 353,825 0.9292 380,785 6 12 .004837290
L1 424,199 1.0586 400,717 3 4 .014638830
L1 348,332 1.0213 341,067 2 2 .001086227
Random Totals: 24,314,072   25,370,699 93 1,141  
Catg J Exception Values: 2,034,729   1,853,169      
Catg D1 Exception Values: 21,025,273   21,307,862      
Catg L1 Exception Values: 904,579   911,064      
Total Test Values (4): 48,278,653   49,442,794      

Margin of Error

Margin of Error Percent: 5.0000006
Margin of Error Value: 2,472,140

Confidence Interval Values (5)

State Lower Limit: 46,970,654 (State Test Value minus Margin of Error Percent)
Local Test Value: 48,278,653 (Within Confidence Interval)
State Upper Limit: 51,914,934 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 55,935,940 (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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