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2006 Confidence Interval Detail
094/Guadalupe
094-902/Schertz-Cibolo-UnivC ISD

Category Summary

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

Stratum
Variance
A 455,648,289 0.9716 468,966,950 33 4,221 .003770472
A 455,589,359 0.9835 463,232,699 41 2,851 .001337302
A 455,510,987 0.9987 456,103,922 35 2,337 .002166116
A 455,507,509 0.9842 462,820,066 29 1,766 .004620045
F1 59,508,306 1.0772 55,243,507 8 221 .014579895
F1 58,565,748 0.9665 60,595,704 6 73 .023401313
F1 60,940,689 0.9293 65,576,982 9 36 .013836311
F1 57,101,330 0.9192 62,120,681 4 8 .009940825
Random Totals: 2,058,372,217   2,094,660,511 165 11,513  
Catg D1 Exception Values: 2,757,014   2,862,538      
Total Test Values (4): 2,061,129,231   2,097,523,049      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 104,876,152

Confidence Interval Values (5)

State Lower Limit: 1,992,646,897 (State Test Value minus Margin of Error Percent)
Local Test Value: 2,061,129,231 (Within Confidence Interval)
State Upper Limit: 2,202,399,201 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 2,352,253,397 (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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