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2008 Confidence Interval Detail
198/Robertson
198-903/Franklin ISD

Category Summary

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

Stratum
Variance
D3 83,991,880 0.4107 204,509,082 20 4,405 .304153577
G1 538,809,302 1.0169 529,854,757 17 290 .019566399
G1 546,974,431 1.0142 539,316,142 15 46 .009271481
G1 564,634,177 0.9990 565,199,376 10 14 .000107502
Random Totals: 1,734,409,790   1,838,879,357 62 4,755  
Catg D1 Exception Values: 13,012,590   14,431,253      
Catg G1 Exception Values: 485,479,348   487,472,972      
Total Test Values (4): 2,232,901,728   2,340,783,582      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 117,039,179

Confidence Interval Values (5)

State Lower Limit: 2,223,744,403 (State Test Value minus Margin of Error Percent)
Local Test Value: 2,232,901,728 (Within Confidence Interval)
State Upper Limit: 2,457,822,761 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 2,974,112,082 (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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