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2006 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 3,219,694 0.8622 3,734,277 13 110 .078461694
A 3,255,692 0.9084 3,583,985 16 57 .008897401
A 3,183,479 1.0167 3,131,188 11 30 .008450217
A 3,159,362 1.1095 2,847,555 5 8 .002423413
D3 7,785,660 1.0311 7,550,829 20 255 .016250730
Random Totals: 20,603,887   20,847,834 65 460  
Catg J Exception Values: 876,792   843,531      
Catg D1 Exception Values: 448,750   444,092      
Total Test Values (4): 21,929,429   22,135,457      

Margin of Error

Margin of Error Percent: 5.0000007
Margin of Error Value: 1,106,773

Confidence Interval Values (5)

State Lower Limit: 21,028,684 (State Test Value minus Margin of Error Percent)
Local Test Value: 21,929,429 (Within Confidence Interval)
State Upper Limit: 23,242,230 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 23,834,669 (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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