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2007 Confidence Interval Detail
074/Fannin
074-905/Ector ISD

Category Summary

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

Stratum
Variance
A 3,943,378 0.8599 4,585,856 11 130 .018128135
A 3,961,786 0.9784 4,049,250 11 60 .004401175
A 3,871,638 0.9663 4,006,663 10 37 .009241194
A 3,888,613 1.0277 3,783,802 7 18 .005654950
D3 11,726,740 0.9807 11,957,520 20 611 .042474351
Random Totals: 27,392,155   28,383,091 59 856  
Catg J Exception Values: 2,607,290   2,638,698      
Catg D1 Exception Values: 1,608,129   1,467,854      
Total Test Values (4): 31,607,574   32,489,643      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 1,624,482

Confidence Interval Values (5)

State Lower Limit: 30,865,161 (State Test Value minus Margin of Error Percent)
Local Test Value: 31,607,574 (Within Confidence Interval)
State Upper Limit: 34,114,125 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 28,800,760 (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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