Veteran's Day

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2007 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 1,056,747,139 0.9887 1,068,824,860 45 12,810 .000895979
A 1,056,767,573 0.9844 1,073,514,398 44 9,782 .000947581
A 1,056,069,674 0.9841 1,073,132,480 49 8,117 .004184911
A 1,056,051,716 0.9860 1,071,046,365 47 6,141 .001776551
B 130,437,984 0.9142 142,679,921 9 402 .024646350
B 129,120,163 0.8932 144,559,072 5 19 .010041804
B 138,214,697 0.8735 158,230,907 5 12 .012993742
B 117,160,648 0.9333 125,533,749 6 7 .005680622
F1 388,765,491 0.7882 493,232,036 7 556 .086985582
F1 387,083,245 0.9074 426,585,018 7 148 .009241320
F1 400,485,411 0.8620 464,600,245 6 48 .018670859
F1 372,392,617 0.9045 411,711,019 4 12 .005055521
L1 143,340,248 1.1138 128,694,782 7 895 .025095134
L1 143,649,758 1.1196 128,304,536 7 149 .008945911
L1 143,237,833 1.0973 130,536,620 6 39 .013134525
L1 142,952,314 1.0340 138,251,754 6 13 .004480655
Random Totals: 6,862,476,511   7,179,437,762 260 39,150  
Catg D1 Exception Values: 710,759   797,486      
Total Test Values (4): 6,863,187,270   7,180,235,248      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 359,011,762

Confidence Interval Values (5)

State Lower Limit: 6,821,223,486 (State Test Value minus Margin of Error Percent)
Local Test Value: 6,863,187,270 (Within Confidence Interval)
State Upper Limit: 7,539,247,010 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 6,593,029,177 (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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