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2008 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 367,122,744 0.9908 370,531,635 57 3,533 .006160771
A 425,054,592 0.9795 433,950,579 57 3,070 .004346659
A 458,632,847 1.0047 456,487,356 57 2,436 .005878531
A 492,160,062 0.9773 503,591,591 57 1,426 .012276294
B 35,433,258 0.9236 38,364,290 9 326 .005962200
B 34,761,497 0.9481 36,664,378 10 234 .007892393
B 51,412,520 0.9745 52,757,845 8 207 .001067351
B 39,861,678 0.9962 40,013,730 3 6 .000445904
F1 74,666,956 0.9999 74,674,423 9 280 .009545389
F1 84,026,263 0.9772 85,986,761 9 113 .001249253
F1 79,065,326 0.9765 80,968,076 6 42 .001155906
F1 83,380,607 0.9797 85,108,306 5 15 .001518985
L1 58,508,966 0.9785 59,794,549 7 502 .001198789
L1 70,014,181 0.9939 70,443,889 7 138 .002486290
L1 57,623,710 1.0066 57,245,887 6 43 .001195065
L1 95,672,238 0.9932 96,327,263 5 23 .000736270
Random Totals: 2,507,397,445   2,542,910,558 312 12,394  
Catg D1 Exception Values: 5,596,519   5,061,352      
Total Test Values (4): 2,512,993,964   2,547,971,910      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 127,398,596

Confidence Interval Values (5)

State Lower Limit: 2,420,573,314 (State Test Value minus Margin of Error Percent)
Local Test Value: 2,512,993,964 (Within Confidence Interval)
State Upper Limit: 2,675,370,506 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 3,143,123,499 (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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