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2006 Confidence Interval Detail
072/Erath
072-908/Huckabay ISD

Category Summary

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

Stratum
Variance
A 1,427,548 0.9679 1,474,892 8 36 .019555118
A 1,320,374 0.9087 1,453,036 8 19 .029284509
A 1,413,589 0.9463 1,493,806 6 14 .010824660
D3 47,928,710 0.9448 50,728,948 22 1,877 .040042145
G1 2,088,920 0.8522 2,451,209 6 33 .042368472
G1 1,921,320 0.9083 2,115,292 5 14 .035441075
G1 2,090,570 1.0641 1,964,637 4 10 .006284395
G1 1,870,150 0.9628 1,942,408 3 6 .008055868
Random Totals: 60,061,181   63,624,228 62 2,009  
Catg J Exception Values: 4,060,530   4,304,085      
Catg D1 Exception Values: 9,624,120   8,150,262      
Catg A Exception Values: 1,310,520   1,303,091      
Total Test Values (4): 75,056,351   77,381,666      

Margin of Error

Margin of Error Percent: 5.6194784
Margin of Error Value: 4,348,446

Confidence Interval Values (5)

State Lower Limit: 73,033,220 (State Test Value minus Margin of Error Percent)
Local Test Value: 75,056,351 (Within Confidence Interval)
State Upper Limit: 81,730,112 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 78,861,654 (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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