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2008 Confidence Interval Detail
050/Coryell
050-901/Evant ISD

Category Summary

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

Stratum
Variance
A 6,310,080 0.9446 6,680,161 8 159 .029646967
A 7,071,630 0.9655 7,324,319 7 113 .008009133
A 8,010,570 1.0372 7,723,265 7 85 .011458585
A 8,523,630 1.0175 8,377,032 7 48 .013131009
D3 12,972,120 1.0295 12,600,408 23 1,477 .032901506
Random Totals: 42,888,030   42,705,185 52 1,882  
Catg J Exception Values: 1,297,931   1,401,252      
Catg D1 Exception Values: 7,382,082   6,070,717      
Total Test Values (4): 51,568,043   50,177,154      

Margin of Error

Margin of Error Percent: 5.0000006
Margin of Error Value: 2,508,858

Confidence Interval Values (5)

State Lower Limit: 47,668,296 (State Test Value minus Margin of Error Percent)
Local Test Value: 51,568,043 (Within Confidence Interval)
State Upper Limit: 52,686,012 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 47,379,611 (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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