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2007 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 652,296,270 0.9591 680,112,887 32 7,846 .017051638
C 56,206,580 0.9228 60,908,734 29 8,373 .115664621
D3 82,886,060 1.0014 82,770,182 25 9,210 .058975514
F1 29,140,423 1.0064 28,955,110 7 231 .007278677
F1 29,000,198 0.9393 30,874,266 6 87 .002098900
F1 31,646,338 1.0146 31,190,950 6 40 .001548671
F1 25,363,439 1.0500 24,155,656 3 5 .004363894
L1 12,614,827 0.9915 12,722,972 7 274 .006207728
L1 12,456,834 0.9907 12,573,770 6 63 .002089980
L1 24,439,915 1.0170 24,031,382 6 22 .007492566
Random Totals: 956,050,884   988,295,909 127 26,151  
Catg D1 Exception Values: 4,528,850   4,433,524      
Total Test Values (4): 960,579,734   992,729,433      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 49,636,472

Confidence Interval Values (5)

State Lower Limit: 943,092,961 (State Test Value minus Margin of Error Percent)
Local Test Value: 960,579,734 (Within Confidence Interval)
State Upper Limit: 1,042,365,905 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 874,735,515 (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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