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2009 Confidence Interval Detail
123/Jefferson
123-910/Beaumont ISD

Category Summary

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

Stratum
Variance
A 868,667,220 0.9817 884,860,161 32 14,864 .002697448
A 875,340,720 0.9778 895,214,481 37 7,635 .001332836
A 868,774,570 0.9926 875,251,431 42 4,942 .001042248
A 864,276,930 0.9605 899,819,813 44 2,467 .002037078
F1 308,893,020 0.9271 333,181,987 11 1,333 .010383786
F1 332,006,310 1.0237 324,319,928 9 378 .013674510
F1 312,975,880 0.9790 319,689,356 9 107 .005143075
F1 308,626,370 1.0300 299,637,252 7 34 .005454601
L1 201,352,940 1.0270 196,059,338 7 1,841 .008876998
L1 211,655,180 0.9670 218,878,159 7 320 .000705010
L1 217,111,110 0.9817 221,158,307 7 117 .006556174
L1 243,766,460 1.0018 243,328,469 6 42 .005507538
Random Totals: 5,613,446,710   5,711,398,682 218 34,080  
Catg D1 Exception Values: 7,659,580   7,896,464      
Total Test Values (4): 5,621,106,290   5,719,295,146      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 285,964,757

Confidence Interval Values (5)

State Lower Limit: 5,433,330,389 (State Test Value minus Margin of Error Percent)
Local Test Value: 5,621,106,290 (Within Confidence Interval)
State Upper Limit: 6,005,259,903 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 8,701,093,692 (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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