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2008 Confidence Interval Detail
169/Montague
169-910/Forestburg ISD

Category Summary

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

Stratum
Variance
A 1,195,780 0.9834 1,215,965 7 35 .005422605
A 1,513,130 0.9656 1,567,036 7 27 .010361439
A 1,550,670 1.1093 1,397,882 7 17 .015688071
D3 41,428,780 0.9691 42,749,747 32 1,702 .062182230
G1 13,797,930 1.0616 12,997,297 20 31 .049182817
Random Totals: 59,486,290   59,927,927 73 1,812  
Catg J Exception Values: 1,117,729   1,184,017      
Catg D1 Exception Values: 4,944,180   4,152,836      
Catg A Exception Values: 1,192,845   1,148,125      
Total Test Values (4): 66,741,044   66,412,905      

Margin of Error

Margin of Error Percent: 5.7298608
Margin of Error Value: 3,805,367

Confidence Interval Values (5)

State Lower Limit: 62,607,538 (State Test Value minus Margin of Error Percent)
Local Test Value: 66,741,044 (Within Confidence Interval)
State Upper Limit: 70,218,272 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 75,519,951 (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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