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2009 Confidence Interval Detail
019/Bowie
019-911/Red Lick ISD

Category Summary

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

Stratum
Variance
A 26,985,774 0.9943 27,140,475 7 225 .029147750
A 34,309,432 0.9690 35,407,051 8 190 .000669383
A 30,458,403 0.9950 30,611,460 7 125 .004149968
A 33,215,310 0.9497 34,974,529 6 90 .029703419
D3 17,480,091 0.9895 17,665,580 17 363 .033579855
Random Totals: 142,449,010   145,799,095 45 993  
Catg J Exception Values: 9,694,168   9,861,176      
Catg D1 Exception Values: 363,115   293,126      
Total Test Values (4): 152,506,293   155,953,397      

Margin of Error

Margin of Error Percent: 5.0000001
Margin of Error Value: 7,797,670

Confidence Interval Values (5)

State Lower Limit: 148,155,727 (State Test Value minus Margin of Error Percent)
Local Test Value: 152,506,293 (Within Confidence Interval)
State Upper Limit: 163,751,067 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 155,453,360 (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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