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2008 Confidence Interval Detail
169/Montague
169-911/Saint Jo ISD

Category Summary

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

Stratum
Variance
A 5,867,610 0.8566 6,849,883 11 176 .126110455
A 5,567,220 1.0158 5,480,626 8 95 .006361928
A 5,763,150 0.9712 5,934,051 8 69 .004053082
A 6,767,590 1.0033 6,745,330 8 47 .007388502
D3 31,137,580 1.0658 29,215,219 20 1,374 .052871221
G1 16,535,260 1.0257 16,120,952 7 50 .010654129
G1 15,794,060 1.0399 15,188,057 5 16 .037812963
G1 15,846,950 1.0537 15,039,338 4 8 .001373425
G1 15,581,180 1.0145 15,358,482 3 4 .003356578
Random Totals: 118,860,600   115,931,938 74 1,839  
Catg J Exception Values: 3,543,060   3,575,834      
Catg D1 Exception Values: 5,008,310   4,197,855      
Total Test Values (4): 127,411,970   123,705,627      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 6,185,281

Confidence Interval Values (5)

State Lower Limit: 117,520,346 (State Test Value minus Margin of Error Percent)
Local Test Value: 127,411,970 (Within Confidence Interval)
State Upper Limit: 129,890,908 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 143,994,946 (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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