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2008 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 1,222,263,332 0.9676 1,263,190,711 70 3,117 .012213734
A 1,904,949,727 0.9548 1,995,129,584 70 3,333 .014355634
A 1,917,883,962 0.9616 1,994,471,674 70 2,202 .014370871
A 2,173,348,176 0.9602 2,263,432,801 49 1,155 .007591309
B 61,188,416 0.9851 62,113,913 7 143 .014718908
B 79,562,365 0.9991 79,634,036 3 5 .000119595
B 91,658,565 1.0061 91,102,838 2 4 .000766079
F1 443,367,370 0.7997 554,417,119 7 203 .233032451
F1 402,184,852 0.9857 408,019,531 6 29 .001088078
F1 406,655,057 1.0269 396,002,587 5 14 .001385109
F1 572,758,056 0.9974 574,251,109 4 10 .000074087
L1 86,987,290 0.9922 87,671,125 8 835 .000348854
L1 77,048,473 0.9868 78,079,117 7 164 .000893846
L1 96,809,890 0.9608 100,759,669 6 48 .001800175
L1 76,875,319 0.9068 84,776,488 4 7 .004860502
Random Totals: 9,613,540,850   10,033,052,302 318 11,269  
Catg D1 Exception Values: 161,394   113,276      
Catg B Exception Values: 72,132,670   72,325,000      
Total Test Values (4): 9,685,834,914   10,105,490,578      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 505,274,529

Confidence Interval Values (5)

State Lower Limit: 9,600,216,049 (State Test Value minus Margin of Error Percent)
Local Test Value: 9,685,834,914 (Within Confidence Interval)
State Upper Limit: 10,610,765,107 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 9,334,823,422 (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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