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2008 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 984,611,030 1.0055 979,225,291 30 12,153 .003972524
A 1,045,332,390 0.9876 1,058,457,260 36 9,786 .003002791
A 1,057,287,950 0.9981 1,059,300,621 41 8,201 .004372344
A 1,060,360,850 0.9871 1,074,218,266 39 6,217 .019275359
B 132,179,220 1.0800 122,388,167 14 463 .009328914
B 123,441,040 0.8846 139,544,472 5 20 .013149018
B 143,774,040 0.9814 146,498,920 4 13 .009805200
B 142,262,460 0.9086 156,573,256 4 8 .006615459
F1 403,787,830 0.9026 447,360,769 8 589 .019186672
F1 395,647,040 0.9092 435,159,525 7 149 .010924903
F1 442,854,690 0.7813 566,817,727 7 51 .093325996
F1 310,993,200 1.0026 310,186,715 5 9 .004580781
L1 142,099,560 1.1206 126,806,675 7 848 .004607610
L1 153,542,370 1.0254 149,738,999 7 141 .002601681
L1 147,811,610 0.9980 148,107,826 6 34 .001116082
L1 137,340,640 1.0393 132,147,253 5 11 .002842594
Random Totals: 6,823,325,920   7,052,531,742 225 38,693  
Catg D1 Exception Values: 650,156   787,351      
Total Test Values (4): 6,823,976,076   7,053,319,093      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 352,665,955

Confidence Interval Values (5)

State Lower Limit: 6,700,653,138 (State Test Value minus Margin of Error Percent)
Local Test Value: 6,823,976,076 (Within Confidence Interval)
State Upper Limit: 7,405,985,048 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 6,645,091,868 (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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