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2011 Confidence Interval Detail
072/Erath
182-901/Gordon ISD

Category Summary

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

Stratum
Variance
D3 10,140,040 0.9768 10,380,876 21 316 .006781645
Random Totals: 10,140,040   10,380,876 21 316  
Catg J Exception Values: 58,210   52,368      
Catg D1 Exception Values: 1,631,400   1,579,026      
Total Test Values (4): 11,829,650   12,012,270      

Margin of Error

Margin of Error Percent: 5.0000042
Margin of Error Value: 600,614

Confidence Interval Values (5)

State Lower Limit: 11,411,656 (State Test Value minus Margin of Error Percent)
Local Test Value: 11,829,650 (Within Confidence Interval)
State Upper Limit: 12,612,884 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 13,245,970 (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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