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2007 Confidence Interval Detail
227/Travis
227-909/Eanes ISD

Category Summary

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

Stratum
Variance
A 1,554,285,366 0.9542 1,628,888,457 27 4,046 .007824816
A 1,554,292,631 0.9506 1,635,064,834 22 2,649 .005423692
A 1,554,764,012 0.9551 1,627,854,687 26 1,652 .002072099
A 1,553,297,437 0.9470 1,640,229,606 19 778 .003401590
F1 406,648,981 0.9860 412,422,902 7 187 .010587276
F1 417,754,991 0.9070 460,589,847 7 30 .004508646
F1 401,697,495 1.0356 387,888,659 7 14 .000493210
L1 86,466,329 1.0217 84,629,861 9 888 .009691983
L1 86,238,540 1.0302 83,710,483 7 189 .010576126
L1 88,529,052 0.9037 97,962,877 7 46 .017104874
L1 83,810,909 1.0254 81,734,844 5 11 .015658142
Random Totals: 7,787,785,743   8,140,977,057 143 10,490  
Catg D1 Exception Values: 150,753   127,984      
Catg F1 Exception Values: 382,878,281   392,831,847      
Total Test Values (4): 8,170,814,777   8,533,936,888      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 426,696,844

Confidence Interval Values (5)

State Lower Limit: 8,107,240,044 (State Test Value minus Margin of Error Percent)
Local Test Value: 8,170,814,777 (Within Confidence Interval)
State Upper Limit: 8,960,633,732 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 8,442,526,790 (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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