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2008 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 2,206,450 0.9824 2,245,979 8 52 .005506435
A 2,059,340 1.0427 1,975,007 7 30 .008003549
A 1,706,200 1.0506 1,624,024 6 18 .017817890
A 2,658,480 1.0523 2,526,352 9 17 .005817210
D3 14,461,110 0.8910 16,230,202 23 429 .030818595
G1 3,198,270 0.9874 3,239,082 15 31 .027377149
Random Totals: 26,289,850   27,840,646 68 577  
Catg D1 Exception Values: 1,111,910   959,575      
Total Test Values (4): 27,401,760   28,800,221      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 1,440,011

Confidence Interval Values (5)

State Lower Limit: 27,360,210 (State Test Value minus Margin of Error Percent)
Local Test Value: 27,401,760 (Within Confidence Interval)
State Upper Limit: 30,240,232 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 25,854,681 (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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