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2008 Confidence Interval Detail
174/Nacogdoches
174-901/Chireno ISD

Category Summary

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

Stratum
Variance
A 2,898,950 0.8376 3,461,020 16 93 .053514870
A 2,921,800 0.8080 3,616,089 15 52 .007090713
A 2,948,870 0.8146 3,620,022 16 37 .014575590
A 3,931,270 0.8349 4,708,672 13 27 .023151015
D3 16,899,270 0.9784 17,272,353 45 1,199 .012115290
Random Totals: 29,600,160   32,678,156 105 1,408  
Catg D1 Exception Values: 9,639,230   9,982,261      
Catg G1 Exception Values: 10,331,858   10,450,529      
Total Test Values (4): 49,571,248   53,110,946      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 2,655,547

Confidence Interval Values (5)

Local Test Value: 49,571,248 (Outside Confidence Interval)
State Lower Limit: 50,455,399 (State Test Value minus Margin of Error Percent)
State Upper Limit: 55,766,493 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 43,559,854 (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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