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2009 Confidence Interval Detail
161/McLennan
161-909/McGregor ISD

Category Summary

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

Stratum
Variance
A 25,940,897 0.9282 27,947,530 8 614 .011344963
A 30,646,600 0.9082 33,744,329 12 419 .023722784
A 29,425,988 1.0857 27,103,240 8 263 .030694804
A 40,888,772 1.0215 40,028,166 9 236 .016742423
D3 23,450,737 0.9646 24,311,359 12 866 .106558309
F1 5,762,644 0.9896 5,823,205 6 73 .007092834
F1 6,389,991 1.0086 6,335,506 6 27 .004603352
F1 5,668,150 0.9903 5,723,670 4 10 .006422755
F1 7,419,046 0.9794 7,575,093 3 5 .001047878
L1 6,528,941 0.9987 6,537,440 7 94 .000765048
L1 7,514,622 1.0173 7,386,830 5 18 .002309594
L1 8,613,690 0.9963 8,645,679 3 6 .000568296
Random Totals: 198,250,078   201,162,047 83 2,631  
Catg J Exception Values: 11,741,450   11,805,767      
Catg D1 Exception Values: 6,591,590   6,576,602      
Catg L1 Exception Values: 9,175,593   8,949,159      
Total Test Values (4): 225,758,711   228,493,575      

Margin of Error

Margin of Error Percent: 5.0000001
Margin of Error Value: 11,424,679

Confidence Interval Values (5)

State Lower Limit: 217,068,896 (State Test Value minus Margin of Error Percent)
Local Test Value: 225,758,711 (Within Confidence Interval)
State Upper Limit: 239,918,254 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 260,787,737 (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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