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2006 Confidence Interval Detail
050/Coryell
050-909/Jonesboro ISD

Category Summary

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

Stratum
Variance
A 5,705,297 0.9597 5,944,875 13 193 .007243131
A 5,713,416 0.9420 6,065,197 12 113 .004167322
A 5,720,185 0.9314 6,141,491 12 76 .010447004
A 5,650,587 0.9922 5,695,008 11 43 .009039983
D3 15,960,001 0.9695 16,462,095 20 1,644 .007367551
Random Totals: 38,749,486   40,308,666 68 2,069  
Catg J Exception Values: 3,177,080   3,722,546      
Catg D1 Exception Values: 9,046,392   8,065,778      
Total Test Values (4): 50,972,958   52,096,990      

Margin of Error

Margin of Error Percent: 5.0000010
Margin of Error Value: 2,604,850

Confidence Interval Values (5)

State Lower Limit: 49,492,140 (State Test Value minus Margin of Error Percent)
Local Test Value: 50,972,958 (Within Confidence Interval)
State Upper Limit: 54,701,840 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 46,061,171 (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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