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2010 Confidence Interval Detail
227/Travis
246-913/Leander ISD

Category Summary

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

Stratum
Variance
A 1,283,150,229 0.9671 1,326,802,015 94 4,845 .004711539
A 977,912,181 0.9745 1,003,501,468 96 2,575 .003800328
A 1,051,777,530 0.9502 1,106,901,210 55 2,020 .006471748
A 971,631,835 0.9888 982,637,374 30 964 .005878867
B 341,554,673 0.9684 352,699,993 11 29 .001547772
F1 101,547,916 0.9096 111,640,189 9 247 .072981191
F1 66,988,945 0.9838 68,092,036 8 29 .002559036
F1 63,810,631 0.9610 66,400,240 5 10 .000759107
F1 125,852,931 1.0012 125,702,088 3 5 .000604821
Random Totals: 4,984,226,871   5,144,376,613 311 10,724  
Catg J Exception Values: 13,717,285   16,654,054      
Catg D1 Exception Values: 1,359,983   813,650      
Total Test Values (4): 4,999,304,139   5,161,844,317      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 258,092,216

Confidence Interval Values (5)

State Lower Limit: 4,903,752,101 (State Test Value minus Margin of Error Percent)
Local Test Value: 4,999,304,139 (Within Confidence Interval)
State Upper Limit: 5,419,936,533 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 5,521,538,576 (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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