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2009 Confidence Interval Detail
057/Dallas
057-914/Mesquite ISD

Category Summary

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

Stratum
Variance
A 941,950,310 1.0218 921,853,895 50 11,892 .009392742
A 1,024,547,610 1.0042 1,020,262,507 50 9,562 .004812459
A 995,399,650 1.0146 981,075,941 50 7,692 .005917403
A 890,591,150 1.0295 865,071,540 49 5,245 .006651533
B 139,294,120 1.0706 130,108,463 13 414 .011273532
B 141,289,150 0.8787 160,793,388 5 20 .004033516
B 150,071,400 0.9560 156,978,452 4 12 .001288350
B 72,611,030 1.0047 72,271,355 4 4 .002138193
F1 389,126,450 0.9152 425,181,873 10 586 .025839811
F1 376,695,120 0.8343 451,510,392 9 150 .017537639
F1 410,222,230 0.8886 461,650,045 8 53 .010973865
F1 254,645,710 0.9235 275,739,805 5 8 .003670380
L1 141,802,010 1.1281 125,699,858 7 804 .012550761
L1 149,152,990 1.1703 127,448,509 7 133 .012857256
L1 123,028,370 1.0311 119,317,593 6 31 .002900758
L1 125,951,270 1.0553 119,351,151 4 11 .003819584
Random Totals: 6,326,378,570   6,414,314,767 281 36,617  
Catg D1 Exception Values: 649,143   776,659      
Total Test Values (4): 6,327,027,713   6,415,091,426      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 320,754,571

Confidence Interval Values (5)

State Lower Limit: 6,094,336,855 (State Test Value minus Margin of Error Percent)
Local Test Value: 6,327,027,713 (Within Confidence Interval)
State Upper Limit: 6,735,845,997 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 6,330,666,053 (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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