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2010 Confidence Interval Detail
169/Montague
169-908/Montague ISD

Category Summary

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

Stratum
Variance
A 2,229,630 0.8881 2,510,562 11 53 .047745685
A 2,165,230 0.9392 2,305,398 9 31 .010311518
A 2,473,180 1.0026 2,466,766 10 24 .025417002
A 2,255,420 1.0084 2,236,632 8 13 .009976969
D3 14,601,770 1.0183 14,339,360 23 15,615 .016303437
G1 4,699,550 1.0539 4,459,199 20 39 .004056726
Random Totals: 28,424,780   28,317,917 81 15,775  
Catg J Exception Values: 516,516   504,342      
Catg D1 Exception Values: 1,115,230   1,030,199      
Total Test Values (4): 30,056,526   29,852,458      

Margin of Error

Margin of Error Percent: 5.0000003
Margin of Error Value: 1,492,623

Confidence Interval Values (5)

State Lower Limit: 28,359,835 (State Test Value minus Margin of Error Percent)
Local Test Value: 30,056,526 (Within Confidence Interval)
State Upper Limit: 31,345,081 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 30,361,268 (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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