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2006 Confidence Interval Detail
127/Jones
127-906/Stamford ISD

Category Summary

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

Stratum
Variance
A 7,754,098 0.9111 8,510,699 10 570 .025495701
A 7,755,221 0.8985 8,631,298 8 282 .012200014
A 7,755,567 0.9492 8,170,635 9 161 .024005484
A 7,698,205 0.9616 8,005,621 7 87 .014923313
D3 4,937,994 0.8542 5,780,841 12 985 .016676192
F1 1,915,558 0.8260 2,319,077 7 108 .007227657
F1 1,878,396 0.8603 2,183,420 6 31 .002817373
F1 2,204,367 0.8976 2,455,846 5 9 .003419162
L1 1,063,948 0.9444 1,126,586 6 59 .026423370
L1 1,098,821 0.9727 1,129,661 6 19 .006828099
L1 1,031,286 0.9856 1,046,353 5 7 .000596729
Random Totals: 45,093,461   49,360,037 81 2,318  
Catg J Exception Values: 6,423,844   7,617,190      
Catg D1 Exception Values: 10,262,731   10,800,719      
Catg F1 Exception Values: 1,521,340   1,634,089      
Catg L1 Exception Values: 3,178,109   3,205,430      
Total Test Values (4): 66,479,485   72,617,465      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 3,630,873

Confidence Interval Values (5)

Local Test Value: 66,479,485 (Outside Confidence Interval)
State Lower Limit: 68,986,592 (State Test Value minus Margin of Error Percent)
State Upper Limit: 76,248,338 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 62,671,990 (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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