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2006 Confidence Interval Detail
107/Henderson
129-905/Mabank ISD

Category Summary

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

Stratum
Variance
A 143,760,257 0.9533 150,802,745 27 1,650 .120069168
A 144,019,467 1.0637 135,394,817 20 1,079 .039459922
A 143,560,988 1.0366 138,492,174 22 796 .018287447
A 143,672,236 0.9703 148,069,912 20 458 .023225793
C 13,747,566 0.8643 15,906,012 35 4,243 .265001113
C 13,701,470 1.1387 12,032,555 8 737 .137198616
C 13,933,429 1.0522 13,242,187 7 264 .221208185
C 13,429,916 1.0428 12,878,707 8 79 .037743875
D3 75,929,100 0.9675 78,479,690 29 2,557 .099541853
F1 27,116,784 0.9398 28,853,782 7 231 .002933230
F1 26,986,296 0.9782 27,587,708 7 87 .001300037
F1 29,448,676 1.0246 28,741,632 6 40 .000970353
F1 23,602,090 0.9782 24,128,082 3 5 .000254825
L1 13,148,596 1.0232 12,850,465 7 274 .003864610
L1 12,983,918 0.9967 13,026,907 6 63 .006064341
L1 25,474,005 1.0061 25,319,556 6 22 .000237405
Random Totals: 864,514,794   865,806,931 218 12,585  
Catg D1 Exception Values: 4,532,760   4,295,833      
Total Test Values (4): 869,047,554   870,102,764      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 43,505,138

Confidence Interval Values (5)

State Lower Limit: 826,597,626 (State Test Value minus Margin of Error Percent)
Local Test Value: 869,047,554 (Within Confidence Interval)
State Upper Limit: 913,607,902 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 817,686,960 (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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