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2007 Confidence Interval Detail
061/Denton
061-905/Krum ISD

Category Summary

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

Stratum
Variance
A 51,847,618 1.0222 50,721,599 15 557 .001496048
A 51,782,730 1.0174 50,897,120 24 398 .001321541
A 51,786,314 1.0341 50,078,633 34 329 .001747055
A 51,769,809 1.0176 50,874,419 16 231 .001457719
D3 93,544,122 1.0154 92,125,391 24 2,202 .027306625
G1 82,260,189 1.0613 77,508,894 7 194 .010941523
G1 81,938,200 1.0584 77,417,045 7 110 .010058573
G1 82,438,440 1.1052 74,591,422 6 71 .005640960
G1 81,119,750 1.0650 76,168,779 6 38 .008870445
Random Totals: 628,487,172   600,383,302 139 4,130  
Catg D1 Exception Values: 5,301,587   4,455,851      
Total Test Values (4): 633,788,759   604,839,153      

Margin of Error

Margin of Error Percent: 5.0000001
Margin of Error Value: 30,241,958

Confidence Interval Values (5)

State Lower Limit: 574,597,195 (State Test Value minus Margin of Error Percent)
Local Test Value: 633,788,759 (Within Confidence Interval)
State Upper Limit: 635,081,111 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 718,210,686 (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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