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2006 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 333,972,092 0.9642 346,372,217 61 3,241 .007347060
A 333,816,956 0.9931 336,136,296 51 1,610 .009878943
A 333,881,144 0.9938 335,964,122 46 983 .008432300
A 333,757,087 0.9621 346,904,778 21 467 .003799394
C 40,610,835 1.0273 39,531,622 55 4,733 .014577395
C 40,582,695 1.0367 39,146,035 37 646 .009635056
C 42,619,922 0.9810 43,445,384 9 292 .004610696
C 38,461,478 0.9668 39,782,249 12 114 .005997987
D3 215,894,138 1.0163 212,431,504 30 4,482 .011216804
F1 51,674,338 0.7213 71,640,563 9 289 .241756285
F1 51,769,618 0.9764 53,020,912 9 118 .016860764
F1 52,634,004 0.9537 55,189,267 7 55 .046588165
F1 50,355,280 1.0091 49,901,179 5 15 .030177451
Random Totals: 1,920,029,587   1,969,466,128 352 17,045  
Catg D1 Exception Values: 11,053,490   11,760,958      
Total Test Values (4): 1,931,083,077   1,981,227,086      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 99,061,354

Confidence Interval Values (5)

State Lower Limit: 1,882,165,732 (State Test Value minus Margin of Error Percent)
Local Test Value: 1,931,083,077 (Within Confidence Interval)
State Upper Limit: 2,080,288,440 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 2,005,069,700 (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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