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2010 Confidence Interval Detail
174/Nacogdoches
174-904/Nacogdoches ISD

Category Summary

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

Stratum
Variance
A 231,563,300 0.9468 244,574,673 34 3,908 .015970748
A 234,816,450 0.9104 257,926,681 36 2,081 .009381347
A 234,730,350 1.0000 234,730,350 29 1,378 .006108484
A 233,299,030 0.9624 242,413,788 17 798 .006283555
B 26,250,940 1.0382 25,285,051 9 118 .015540126
B 25,732,270 0.7886 32,630,320 7 21 .093235627
B 25,040,860 0.7958 31,466,273 5 7 .117227232
D3 150,596,130 0.9625 156,463,512 16 4,497 .102753084
F1 79,681,900 0.9638 82,674,725 11 452 .040526346
F1 76,691,430 0.9035 84,882,601 11 159 .014740914
F1 75,867,490 0.9549 79,450,717 10 64 .034098260
F1 71,324,560 0.9332 76,430,090 8 18 .012864193
G1 18,375,399 0.9696 18,951,525 17 86 .019249135
G1 18,414,980 0.9939 18,528,001 7 27 .034872385
G1 18,870,430 1.0462 18,037,115 6 13 .012389214
G1 16,392,020 0.9996 16,398,579 2 3 .010074897
L1 33,633,840 0.9404 35,765,462 10 480 .025322377
L1 31,625,950 1.0109 31,284,944 9 101 .001013545
L1 33,524,530 0.9771 34,310,234 9 39 .001526099
L1 26,147,680 0.9343 27,986,386 4 5 .005062346
Random Totals: 1,662,579,539   1,750,191,027 257 14,255  
Catg J Exception Values: 52,318,589   51,896,109      
Catg D1 Exception Values: 20,356,930   10,676,309      
Catg B Exception Values: 19,990,400   22,021,000      
Total Test Values (4): 1,755,245,458   1,834,784,445      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 91,739,222

Confidence Interval Values (5)

State Lower Limit: 1,743,045,223 (State Test Value minus Margin of Error Percent)
Local Test Value: 1,755,245,458 (Within Confidence Interval)
State Upper Limit: 1,926,523,667 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 1,804,029,712 (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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