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2010 Confidence Interval Detail
206/San Saba
206-902/Richland Springs ISD

Category Summary

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

Stratum
Variance
A 989,260 0.8995 1,099,789 9 63 .089163194
A 1,291,880 1.0413 1,240,642 8 48 .053525130
A 1,000,480 0.9985 1,001,983 7 24 .009601253
A 1,326,710 0.9957 1,332,439 6 20 .003314853
D3 30,857,510 0.9463 32,608,591 20 2,390 .094896634
Random Totals: 35,465,840   37,283,444 50 2,545  
Catg J Exception Values: 1,340,830   1,421,810      
Catg D1 Exception Values: 15,839,280   17,111,110      
Total Test Values (4): 52,645,950   55,816,364      

Margin of Error

Margin of Error Percent: 8.0712674
Margin of Error Value: 4,505,088

Confidence Interval Values (5)

State Lower Limit: 51,311,276 (State Test Value minus Margin of Error Percent)
Local Test Value: 52,645,950 (Within Confidence Interval)
State Upper Limit: 60,321,452 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 51,117,802 (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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