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2009 Confidence Interval Detail
094/Guadalupe
028-903/Luling ISD

Category Summary

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

Stratum
Variance
A 2,194,436 1.0405 2,109,021 6 40 .023308647
A 2,989,721 1.0127 2,952,228 6 31 .004481751
A 2,652,328 1.0987 2,414,060 7 20 .005940639
A 3,765,368 1.0979 3,429,609 5 16 .001897430
D3 14,959,907 0.9050 16,530,284 11 626 .025066884
F1 3,057,467 1.0081 3,032,901 6 25 .008474549
G1 1,931,387 1.0349 1,866,255 5 14 .018777691
G1 1,777,477 1.0263 1,731,927 4 7 .010365223
Random Totals: 33,328,091   34,066,285 50 779  
Catg J Exception Values: 3,048,015   3,216,988      
Catg D1 Exception Values: 1,259,172   1,299,969      
Catg F1 Exception Values: 1,585,338   1,534,188      
Catg G1 Exception Values: 14,537,862   14,050,817      
Total Test Values (4): 53,758,478   54,168,247      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 2,708,412

Confidence Interval Values (5)

State Lower Limit: 51,459,835 (State Test Value minus Margin of Error Percent)
Local Test Value: 53,758,478 (Within Confidence Interval)
State Upper Limit: 56,876,659 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 58,477,260 (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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