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2008 Confidence Interval Detail
174/Nacogdoches
174-906/Woden ISD

Category Summary

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

Stratum
Variance
A 7,830,830 0.8489 9,224,679 14 237 .044828725
A 7,900,980 0.9118 8,665,256 14 124 .041388405
A 8,398,380 0.8951 9,382,616 12 84 .019496215
A 8,610,570 0.9270 9,288,641 11 49 .011255328
D3 34,109,750 0.9132 37,351,894 41 1,592 .017928681
G1 9,159,070 0.9940 9,214,356 7 16 .002464608
G1 8,403,070 0.9698 8,664,745 4 7 .021921056
G1 10,199,850 1.0315 9,888,366 3 6 .004039082
G1 7,151,550 0.9486 7,539,058 2 3 .003772537
Random Totals: 101,764,050   109,219,611 108 2,118  
Catg J Exception Values: 7,960,010   7,854,763      
Catg D1 Exception Values: 16,017,410   15,049,070      
Total Test Values (4): 125,741,470   132,123,444      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 6,606,172

Confidence Interval Values (5)

State Lower Limit: 125,517,272 (State Test Value minus Margin of Error Percent)
Local Test Value: 125,741,470 (Within Confidence Interval)
State Upper Limit: 138,729,616 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 131,059,294 (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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