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2008 Confidence Interval Detail
027/Burnet
027-904/Marble Falls ISD

Category Summary

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

Stratum
Variance
A 357,773,837 0.9619 371,944,939 50 3,214 .008357841
A 366,406,767 0.9731 376,535,574 48 1,624 .009237614
A 366,916,546 0.9776 375,323,799 24 956 .021194053
A 402,115,383 0.9582 419,657,048 14 558 .001399140
C 59,610,313 0.9017 66,108,809 36 10,841 .060682589
C 26,740,334 0.9424 28,374,718 9 414 .018693170
C 21,479,353 0.9392 22,869,839 6 168 .063310136
C 34,009,311 0.9500 35,799,275 11 86 .007818906
D3 212,425,244 0.9565 222,085,984 27 3,634 .013442834
F1 61,918,996 0.7509 82,459,710 10 383 .161075919
F1 62,234,421 0.9008 69,087,945 5 153 .108721434
F1 55,990,592 0.8879 63,059,570 6 68 .002695696
F1 67,496,905 0.9801 68,867,366 5 28 .012822445
Random Totals: 2,095,118,002   2,202,174,576 251 22,127  
Catg D1 Exception Values: 9,600,661   9,732,914      
Total Test Values (4): 2,104,718,663   2,211,907,490      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 110,595,375

Confidence Interval Values (5)

State Lower Limit: 2,101,312,115 (State Test Value minus Margin of Error Percent)
Local Test Value: 2,104,718,663 (Within Confidence Interval)
State Upper Limit: 2,322,502,865 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 2,120,125,669 (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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