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2007 Confidence Interval Detail
019/Bowie
019-903/Maud ISD

Category Summary

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

Stratum
Variance
A 7,789,246 0.8955 8,698,209 8 226 .019430223
A 7,787,621 0.9606 8,107,038 7 126 .006388603
A 7,761,726 0.9936 7,811,721 8 83 .004220665
A 7,728,369 1.0311 7,495,266 7 51 .004304248
D3 14,329,490 1.0468 13,688,852 20 572 .092503371
Random Totals: 45,396,452   45,801,086 50 1,058  
Catg J Exception Values: 1,771,975   1,680,911      
Catg D1 Exception Values: 1,577,910   1,278,738      
Total Test Values (4): 48,746,337   48,760,735      

Margin of Error

Margin of Error Percent: 5.0000005
Margin of Error Value: 2,438,037

Confidence Interval Values (5)

State Lower Limit: 46,322,698 (State Test Value minus Margin of Error Percent)
Local Test Value: 48,746,337 (Within Confidence Interval)
State Upper Limit: 51,198,772 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 47,580,818 (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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