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2009 Confidence Interval Detail
206/San Saba
206-903/Cherokee ISD

Category Summary

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

Stratum
Variance
A 948,510 0.9567 991,439 6 36 .002626828
A 635,130 0.9787 648,953 5 14 .004690008
A 1,077,780 0.9631 1,119,074 5 16 .006899668
A 903,620 1.0339 873,992 3 7 .001877506
D3 20,380,140 0.9903 20,579,764 20 1,625 .032561059
Random Totals: 23,945,180   24,213,222 39 1,698  
Catg J Exception Values: 1,633,340   1,608,540      
Catg D1 Exception Values: 11,341,160   12,577,106      
Total Test Values (4): 36,919,680   38,398,868      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 1,919,943

Confidence Interval Values (5)

State Lower Limit: 36,478,925 (State Test Value minus Margin of Error Percent)
Local Test Value: 36,919,680 (Within Confidence Interval)
State Upper Limit: 40,318,811 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 37,705,642 (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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