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2009 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 43,534,160 0.9458 46,028,928 19 1,249 .026364346
A 42,402,693 0.9854 43,030,945 14 704 .031073836
A 48,224,811 1.0594 45,520,871 7 580 .009530743
A 52,662,779 1.0199 51,635,238 8 443 .031791045
F1 32,867,187 0.9795 33,555,066 7 138 .020123914
F1 34,066,400 0.9562 35,626,856 5 30 .002696359
F1 36,705,624 1.0034 36,581,248 4 11 .002164193
F1 40,711,559 0.9679 42,061,741 2 5 .000092433
L1 35,593,061 0.9829 36,212,291 7 156 .000683228
L1 26,601,664 1.0137 26,242,147 4 8 .000732393
L1 31,656,884 0.9949 31,819,162 3 4 .000523208
Random Totals: 425,026,822   428,314,493 80 3,328  
Catg D1 Exception Values: 1,314,782   1,129,999      
Catg L1 Exception Values: 25,961,521   26,143,538      
Total Test Values (4): 452,303,125   455,588,030      

Margin of Error

Margin of Error Percent: 5.0000001
Margin of Error Value: 22,779,402

Confidence Interval Values (5)

State Lower Limit: 432,808,628 (State Test Value minus Margin of Error Percent)
Local Test Value: 452,303,125 (Within Confidence Interval)
State Upper Limit: 478,367,432 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 599,705,406 (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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