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2009 Confidence Interval Detail
161/McLennan
161-903/Midway ISD

Category Summary

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

Stratum
Variance
A 411,279,832 0.9670 425,315,235 57 3,725 .009119252
A 441,006,929 0.9924 444,384,249 56 2,975 .004932616
A 462,420,562 0.9974 463,625,990 57 2,270 .013896346
A 468,559,984 1.0065 465,534,013 56 1,279 .004250045
B 39,276,465 0.9204 42,673,256 8 335 .009576552
B 43,791,002 0.9794 44,712,071 8 278 .000699859
B 38,239,363 1.0060 38,011,295 8 114 .003907942
B 40,285,457 0.9981 40,362,145 3 6 .000175695
F1 83,069,372 1.0053 82,631,425 7 288 .004136074
F1 91,379,888 0.9781 93,425,916 7 112 .004426077
F1 89,658,929 0.9719 92,251,187 6 46 .004188984
F1 129,430,452 0.9875 131,068,812 5 18 .002659574
L1 69,930,568 0.9821 71,205,140 7 502 .000725927
L1 68,789,004 0.9819 70,057,036 7 111 .000857370
L1 80,624,087 1.0137 79,534,465 6 43 .001285611
L1 48,741,336 1.0002 48,731,590 5 6 .001969863
Random Totals: 2,606,483,230   2,633,523,825 303 12,108  
Catg D1 Exception Values: 5,618,641   5,595,710      
Total Test Values (4): 2,612,101,871   2,639,119,535      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 131,955,977

Confidence Interval Values (5)

State Lower Limit: 2,507,163,558 (State Test Value minus Margin of Error Percent)
Local Test Value: 2,612,101,871 (Within Confidence Interval)
State Upper Limit: 2,771,075,512 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 3,336,290,448 (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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