Veteran's Day

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2007 Confidence Interval Detail
073/Falls
073-904/Westphalia ISD

Category Summary

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

Stratum
Variance
A 823,720 0.8170 1,008,225 9 31 .057056240
A 808,532 0.9117 886,840 9 17 .116920377
A 793,651 0.9649 822,522 8 11 .044876042
A 772,100 1.0710 720,915 5 7 .013789975
D3 5,552,750 0.6331 8,770,731 20 443 .135442061
Random Totals: 8,750,753   12,209,233 51 509  
Catg J Exception Values: 361,730   384,721      
Catg D1 Exception Values: 2,208,590   2,215,146      
Total Test Values (4): 11,321,073   14,809,100      

Margin of Error

Margin of Error Percent: 9.6762599
Margin of Error Value: 1,432,967

Confidence Interval Values (5)

Local Test Value: 11,321,073 (Outside Confidence Interval)
State Lower Limit: 13,376,133 (State Test Value minus Margin of Error Percent)
State Upper Limit: 16,242,067 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 16,886,869 (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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