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2006 Confidence Interval Detail
194/Red River
194-903/Rivercrest ISD

Category Summary

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

Stratum
Variance
A 9,011,697 0.9575 9,411,694 7 450 .036253802
A 8,986,870 0.9974 9,010,297 7 230 .035056963
A 8,978,236 0.9341 9,611,643 8 148 .032722099
A 8,965,237 1.1157 8,035,527 8 83 .021168988
D3 40,315,850 0.9798 41,147,020 20 3,513 .025673622
G1 10,802,373 0.9735 11,096,428 6 33 .081708139
G1 11,515,701 1.0167 11,326,548 4 12 .014506546
G1 10,069,538 1.0677 9,431,056 3 5 .009814732
G1 10,742,277 1.0132 10,602,326 2 3 .031109673
Random Totals: 119,387,779   119,672,539 65 4,477  
Catg J Exception Values: 8,822,000   9,618,983      
Catg D1 Exception Values: 14,740,450   14,487,268      
Total Test Values (4): 142,950,229   143,778,790      

Margin of Error

Margin of Error Percent: 5.0000003
Margin of Error Value: 7,188,940

Confidence Interval Values (5)

State Lower Limit: 136,589,850 (State Test Value minus Margin of Error Percent)
Local Test Value: 142,950,229 (Within Confidence Interval)
State Upper Limit: 150,967,730 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 143,003,988 (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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