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2008 Confidence Interval Detail
049/Cooke
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 2,799,232 1.0015 2,795,039 10 36 .006350221
D3 12,389,483 1.0259 12,076,697 14 411 .028087214
G1 2,825,230 1.1720 2,410,606 10 30 .055040161
Random Totals: 18,013,945   17,282,342 34 477  
Catg D1 Exception Values: 1,771,801   1,849,314      
Total Test Values (4): 19,785,746   19,131,656      

Margin of Error

Margin of Error Percent: 5.8989457
Margin of Error Value: 1,128,566

Confidence Interval Values (5)

State Lower Limit: 18,003,090 (State Test Value minus Margin of Error Percent)
Local Test Value: 19,785,746 (Within Confidence Interval)
State Upper Limit: 20,260,222 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 19,341,835 (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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