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2009 Confidence Interval Detail
171/Moore
171-901/Dumas ISD

Category Summary

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

Stratum
Variance
A 89,284,530 0.9888 90,295,843 36 1,669 .021919453
A 95,036,260 0.9888 96,112,722 37 1,068 .004738166
A 95,228,450 1.0333 92,159,537 24 751 .006974656
A 105,020,830 1.0114 103,837,087 18 518 .018824434
D3 40,958,908 0.9409 43,531,627 10 2,695 .031254564
G1 139,162,900 0.9899 140,582,786 8 383 .005037349
G1 139,212,710 1.0040 138,658,078 8 182 .004601428
G1 139,418,790 0.9987 139,600,270 7 112 .005174648
G1 138,460,221 1.0436 132,675,566 7 58 .003898910
L1 28,188,780 1.0154 27,761,257 7 531 .004365960
L1 36,196,200 1.0359 34,941,790 7 87 .002241290
L1 12,388,080 1.0099 12,266,640 5 4 .001385910
Random Totals: 1,058,556,659   1,052,423,203 174 8,058  
Catg J Exception Values: 36,698,030   36,779,208      
Catg D1 Exception Values: 53,098,991   54,094,622      
Total Test Values (4): 1,148,353,680   1,143,297,033      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 57,164,852

Confidence Interval Values (5)

State Lower Limit: 1,086,132,181 (State Test Value minus Margin of Error Percent)
Local Test Value: 1,148,353,680 (Within Confidence Interval)
State Upper Limit: 1,200,461,885 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 2,603,221,543 (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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