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2006 Confidence Interval Detail
233/Val Verde
233-903/Comstock Cons ISD

Category Summary

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

Stratum
Variance
A 2,779,634 0.9302 2,988,211 7 163 .000943764
A 2,805,061 0.9526 2,944,637 6 79 .001172121
A 2,775,411 0.9460 2,933,838 9 45 .000891654
A 2,728,683 0.9719 2,807,576 13 25 .000656721
D3 19,044,042 0.9019 21,115,470 10 4,151 .013543465
G1 25,597,729 1.0385 24,648,752 6 63 .017338113
G1 25,702,806 0.9228 27,853,062 5 21 .021726432
G1 26,720,623 0.8898 30,029,920 5 13 .128148458
G1 22,775,807 1.1145 20,435,897 3 6 .007955257
Random Totals: 130,929,796   135,757,363 64 4,566  
Catg J Exception Values: 15,676,560   15,060,611      
Catg D1 Exception Values: 17,444,462   19,280,000      
Total Test Values (4): 164,050,818   170,097,974      

Margin of Error

Margin of Error Percent: 5.1971771
Margin of Error Value: 8,840,293

Confidence Interval Values (5)

State Lower Limit: 161,257,681 (State Test Value minus Margin of Error Percent)
Local Test Value: 164,050,818 (Within Confidence Interval)
State Upper Limit: 178,938,267 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 188,754,275 (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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