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2009 Confidence Interval Detail
169/Montague
169-902/Nocona ISD

Category Summary

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

Stratum
Variance
A 23,019,490 1.0860 21,196,584 16 629 .060317485
A 24,383,280 1.0200 23,905,176 15 358 .008931850
A 22,767,060 0.9745 23,362,812 16 215 .010325414
A 27,110,570 1.0193 26,597,243 15 148 .004952052
D3 47,996,330 0.9329 51,448,526 20 1,891 .033777821
F1 3,122,800 0.9751 3,202,543 6 83 .006244574
F1 3,806,980 0.9403 4,048,687 7 41 .020257537
F1 3,250,530 1.0118 3,212,621 6 14 .001109806
F1 2,917,720 1.0206 2,858,828 3 5 .007552669
G1 2,063,360 0.9861 2,092,445 5 18 .027030039
G1 2,330,390 0.9550 2,440,199 4 9 .005943832
G1 2,389,730 0.9773 2,445,237 3 5 .002168146
Random Totals: 165,158,240   166,810,901 116 3,416  
Catg J Exception Values: 3,894,187   3,803,024      
Catg D1 Exception Values: 6,135,710   5,417,797      
Catg G1 Exception Values: 1,451,080   1,496,618      
Total Test Values (4): 176,639,217   177,528,340      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 8,876,417

Confidence Interval Values (5)

State Lower Limit: 168,651,923 (State Test Value minus Margin of Error Percent)
Local Test Value: 176,639,217 (Within Confidence Interval)
State Upper Limit: 186,404,757 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 174,065,762 (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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