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2008 Confidence Interval Detail
161/McLennan
161-906/La Vega ISD

Category Summary

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

Stratum
Variance
A 39,604,067 0.9919 39,927,480 18 1,231 .026207191
A 39,461,845 0.9617 41,033,425 13 702 .009434611
A 42,982,687 0.9844 43,663,843 12 555 .013284470
A 55,487,641 0.9998 55,498,741 11 500 .007428880
F1 29,097,989 0.9928 29,309,014 7 131 .002198742
F1 25,597,147 0.9805 26,106,218 5 23 .000413508
F1 38,972,178 0.9548 40,817,111 4 12 .000877322
F1 26,497,226 0.9748 27,182,218 2 3 .000759939
L1 25,598,701 0.9658 26,505,178 7 169 .002368039
L1 36,415,294 1.0258 35,499,409 5 18 .000846576
L1 28,689,788 1.0378 27,644,814 2 4 .001465814
Random Totals: 388,404,563   393,187,451 86 3,348  
Catg D1 Exception Values: 1,174,938   977,683      
Catg L1 Exception Values: 20,172,827   20,419,216      
Total Test Values (4): 409,752,328   414,584,350      

Margin of Error

Margin of Error Percent: 5.0000001
Margin of Error Value: 20,729,218

Confidence Interval Values (5)

State Lower Limit: 393,855,132 (State Test Value minus Margin of Error Percent)
Local Test Value: 409,752,328 (Within Confidence Interval)
State Upper Limit: 435,313,568 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 574,327,408 (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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