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2008 Confidence Interval Detail
175/Navarro
175-905/Frost ISD

Category Summary

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

Stratum
Variance
A 2,920,010 0.9720 3,004,126 15 128 .047455318
A 3,182,470 1.0111 3,147,532 16 81 .052868826
A 3,914,840 0.9359 4,182,968 16 63 .028256591
A 3,603,910 1.0093 3,570,702 16 34 .037012238
D3 21,609,430 1.0085 21,427,298 40 1,206 .137792802
Random Totals: 35,230,660   35,332,626 103 1,512  
Catg J Exception Values: 1,569,470   1,021,290      
Catg D1 Exception Values: 4,101,910   4,551,922      
Total Test Values (4): 40,902,040   40,905,838      

Margin of Error

Margin of Error Percent: 6.1751601
Margin of Error Value: 2,526,001

Confidence Interval Values (5)

State Lower Limit: 38,379,837 (State Test Value minus Margin of Error Percent)
Local Test Value: 40,902,040 (Within Confidence Interval)
State Upper Limit: 43,431,839 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 55,444,389 (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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