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2008 Confidence Interval Detail
210/Shelby
210-904/Tenaha ISD

Category Summary

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

Stratum
Variance
A 4,786,500 0.8738 5,477,798 9 175 .100308041
A 3,465,820 0.9118 3,801,075 7 73 .013913658
A 4,388,260 0.9842 4,458,708 6 62 .021376055
A 3,709,690 1.0384 3,572,506 7 31 .003641391
D3 17,206,440 0.9123 18,860,506 26 1,236 .026969775
F1 914,290 0.8793 1,039,793 13 34 .036037393
F1 943,920 0.9491 994,542 10 15 .020580871
F1 1,328,020 0.8891 1,493,668 4 9 .026661691
F1 621,460 0.9179 677,045 2 3 .043705884
L1 522,450 1.0016 521,615 5 17 .001477192
L1 2,158,374 1.0618 2,032,750 2 4 .014754931
Random Totals: 40,045,224   42,930,006 91 1,659  
Catg J Exception Values: 7,189,360   7,140,018      
Catg D1 Exception Values: 5,360,160   5,483,006      
Catg L1 Exception Values: 3,897,280   3,903,441      
Total Test Values (4): 56,492,024   59,456,471      

Margin of Error

Margin of Error Percent: 5.0000008
Margin of Error Value: 2,972,824

Confidence Interval Values (5)

State Lower Limit: 56,483,647 (State Test Value minus Margin of Error Percent)
Local Test Value: 56,492,024 (Within Confidence Interval)
State Upper Limit: 62,429,295 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 66,800,754 (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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