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2007 Confidence Interval Detail
129/Kaufman
129-901/Crandall ISD

Category Summary

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

Stratum
Variance
A 89,884,938 0.9539 94,228,890 36 889 .011528394
A 89,874,920 0.9939 90,426,522 51 563 .005751119
A 89,864,586 0.9893 90,836,537 19 444 .003824082
A 89,663,660 1.0265 87,348,914 21 318 .014114718
D3 58,180,041 1.0211 56,977,809 17 1,493 .050917575
Random Totals: 417,468,145   419,818,672 144 3,707  
Catg D1 Exception Values: 5,897,684   4,299,213      
Total Test Values (4): 423,365,829   424,117,885      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 21,205,894

Confidence Interval Values (5)

State Lower Limit: 402,911,991 (State Test Value minus Margin of Error Percent)
Local Test Value: 423,365,829 (Within Confidence Interval)
State Upper Limit: 445,323,779 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 459,544,350 (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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