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2006 Confidence Interval Detail
156/Martin
156-902/Stanton ISD

Category Summary

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

Stratum
Variance
A 6,803,594 0.7932 8,577,400 15 328 .101839142
A 6,778,403 0.7483 9,058,403 14 177 .090094689
A 6,797,857 0.8936 7,607,271 15 103 .053681458
A 6,758,765 1.0520 6,424,682 8 55 .010985299
D3 24,392,700 0.7147 34,129,985 29 2,642 .675047203
G1 66,204,820 0.9215 71,844,623 15 217 .019639857
G1 66,017,260 1.0499 62,879,569 15 85 .010483107
G1 68,597,820 1.0707 64,068,198 15 35 .028639087
G1 62,408,641 1.0379 60,129,724 7 9 .007942755
Random Totals: 314,759,860   324,719,855 133 3,651  
Catg J Exception Values: 9,126,352   10,275,932      
Catg D1 Exception Values: 9,351,880   14,597,547      
Total Test Values (4): 333,238,092   349,593,334      

Margin of Error

Margin of Error Percent: 5.0000001
Margin of Error Value: 17,479,667

Confidence Interval Values (5)

State Lower Limit: 332,113,667 (State Test Value minus Margin of Error Percent)
Local Test Value: 333,238,092 (Within Confidence Interval)
State Upper Limit: 367,073,001 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 362,597,970 (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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