Veteran's Day

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2007 Confidence Interval Detail
091/Grayson
091-917/Gunter ISD

Category Summary

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

Stratum
Variance
A 23,279,819 0.9307 25,013,236 13 266 .042914911
A 23,411,023 0.9302 25,167,731 10 139 .023225644
A 23,237,550 1.0157 22,878,360 13 91 .008103820
A 23,131,623 0.9629 24,022,872 10 57 .003744817
C 3,212,162 0.9367 3,429,232 11 110 .047588476
C 3,208,068 1.1579 2,770,592 7 67 .020515375
C 3,254,769 0.9727 3,346,118 7 55 .030936596
C 3,155,341 0.9680 3,259,650 7 32 .002657296
Random Totals: 105,890,355   109,887,791 78 817  
Catg D1 Exception Values: 5,467,452   4,036,994      
Catg D3 Exception Values: 38,382,545   39,417,798      
Total Test Values (4): 149,740,352   153,342,583      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 7,667,129

Confidence Interval Values (5)

State Lower Limit: 145,675,454 (State Test Value minus Margin of Error Percent)
Local Test Value: 149,740,352 (Within Confidence Interval)
State Upper Limit: 161,009,712 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 160,371,577 (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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