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2008 Confidence Interval Detail
011/Bastrop
011-901/Bastrop ISD

Category Summary

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

Stratum
Variance
A 298,023,151 0.9545 312,229,598 35 4,399 .041264226
A 314,323,635 0.9951 315,871,405 55 2,737 .010287693
A 342,308,350 1.0359 330,445,362 9 2,155 .006745557
A 367,077,264 0.9584 383,010,501 9 1,331 .010354368
C 32,307,916 1.0083 32,041,968 21 5,455 .113366367
C 24,713,889 0.7440 33,217,593 16 1,450 .148705444
C 29,759,362 0.8731 34,084,712 22 837 .031010408
C 29,133,283 0.9381 31,055,626 24 323 .031101988
D3 319,229,182 0.9957 320,607,796 19 7,957 .048189285
F1 74,828,691 0.9696 77,174,805 9 274 .004483469
F1 92,215,194 0.9562 96,439,232 10 100 .019103655
F1 88,256,342 0.9121 96,761,695 7 28 .003804651
Random Totals: 2,012,176,259   2,062,940,293 236 27,046  
Catg D1 Exception Values: 13,278,770   13,921,825      
Catg F1 Exception Values: 68,309,942   67,903,887      
Total Test Values (4): 2,093,764,971   2,144,766,005      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 107,238,300

Confidence Interval Values (5)

State Lower Limit: 2,037,527,705 (State Test Value minus Margin of Error Percent)
Local Test Value: 2,093,764,971 (Within Confidence Interval)
State Upper Limit: 2,252,004,305 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 2,493,199,982 (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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