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2011 Confidence Interval Detail
074/Fannin
074-911/Savoy ISD

Category Summary

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

Stratum
Variance
A 6,756,663 0.8220 8,219,785 10 166 .087660171
A 6,919,590 0.9502 7,282,246 10 95 .005986470
A 6,947,333 0.9226 7,530,168 12 66 .008650590
A 6,544,240 0.9586 6,826,873 12 42 .004017360
D3 31,231,673 1.2321 25,348,326 15 1,024 .293553257
Random Totals: 58,399,499   55,207,398 59 1,393  
Catg D1 Exception Values: 2,100,320   1,942,583      
Total Test Values (4): 60,499,819   57,149,981      

Margin of Error

Margin of Error Percent: 12.6593095
Margin of Error Value: 7,234,793

Confidence Interval Values (5)

State Lower Limit: 49,915,188 (State Test Value minus Margin of Error Percent)
Local Test Value: 60,499,819 (Within Confidence Interval)
State Upper Limit: 64,384,774 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 77,313,774 (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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