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2009 Confidence Interval Detail
206/San Saba
206-901/San Saba ISD

Category Summary

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

Stratum
Variance
A 11,290,010 0.9601 11,759,202 8 413 .046565058
A 14,125,570 1.0764 13,122,975 9 289 .035433930
A 13,590,540 0.9425 14,419,671 9 178 .006142694
A 12,999,330 0.8418 15,442,302 8 99 .032960245
D3 56,267,470 0.9172 61,347,002 19 3,781 .067713331
F1 4,128,520 0.9217 4,479,245 7 103 .019705376
F1 5,081,070 0.9356 5,430,814 6 56 .005916700
F1 4,163,310 0.9499 4,382,893 5 20 .023580542
F1 3,563,560 0.9946 3,582,908 3 6 .004992269
L1 2,503,590 0.9859 2,539,395 6 85 .000557863
L1 1,672,550 0.9548 1,751,728 6 19 .004759665
L1 2,421,350 0.9864 2,454,734 5 17 .001882801
L1 3,640,000 0.9905 3,674,912 3 10 .001293290
Random Totals: 135,446,870   144,387,781 94 5,076  
Catg J Exception Values: 3,251,700   2,979,666      
Catg D1 Exception Values: 25,123,640   24,729,896      
Catg L1 Exception Values: 3,837,060   4,241,344      
Total Test Values (4): 167,659,270   176,338,687      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 8,816,934

Confidence Interval Values (5)

State Lower Limit: 167,521,753 (State Test Value minus Margin of Error Percent)
Local Test Value: 167,659,270 (Within Confidence Interval)
State Upper Limit: 185,155,621 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 164,550,356 (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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