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2010 Confidence Interval Detail
019/Bowie
019-914/Leary ISD

Category Summary

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

Stratum
Variance
A 4,112,252 0.9326 4,409,449 9 119 .030249376
A 4,020,503 0.9216 4,362,525 9 58 .018180106
A 4,464,414 1.0316 4,327,660 9 36 .011570281
A 3,995,112 1.0322 3,870,482 6 12 .001003188
D3 9,228,712 1.0438 8,841,456 20 262 .100137451
F1 2,166,035 0.8329 2,600,594 11 26 .074473731
Random Totals: 27,987,028   28,412,166 64 513  
Catg J Exception Values: 920,204   812,685      
Catg D1 Exception Values: 451,746   371,874      
Total Test Values (4): 29,358,978   29,596,725      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 1,479,836

Confidence Interval Values (5)

State Lower Limit: 28,116,889 (State Test Value minus Margin of Error Percent)
Local Test Value: 29,358,978 (Within Confidence Interval)
State Upper Limit: 31,076,561 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 29,124,505 (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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